MolluscaBase taxon details

Mactra Linnaeus, 1767

Mactra stultorum (Linnaeus, 1758)Specimen from La Goulette, Tunisia (soft bottoms 3-4 m, 23.07.2009), actual size 48 mm. E: detail of hinge, arrow indicates chondrophore
Mactra stultorum (Linnaeus, 1758)
Specimen from La Goulette, Tunisia (soft bottoms 3-4 m, 23.07.2009), actual size 48 mm. E: detail of hinge, arrow indicates chondrophore

138158  (urn:lsid:marinespecies.org:taxname:138158)

  1. Biota
  2. Animalia (Kingdom)
  3. Mollusca (Phylum)
  4. Bivalvia (Class)
  5. Autobranchia (Subclass)
  6. Heteroconchia (Infraclass)
  7. Euheterodonta (Subterclass)
  8. Imparidentia (Superorder)
  9. Venerida (Order)
  10. Mactroidea (Superfamily)
  11. Mactridae (Family)
  12. Mactrinae (Subfamily)
  13. Mactra (Genus)
accepted
Genus
Cardium stultorum Linnaeus, 1758 accepted as Mactra stultorum (Linnaeus, 1758) (type by subsequent designation)
Deikea Mayer-Eymar, 1872 · unaccepted (synonym)
Mactra (Eomactra) Cossmann, 1909 † · alternative representation
Mactra (Mactra) Linnaeus, 1767 · alternative representation
Mactra (Nannomactra) Iredale, 1930 · alternative representation
Telemactra Iredale, 1929 · unaccepted (synonym)
Trigonella da Costa, 1778 · unaccepted (synonym)

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  1. Species Mactra abbreviata Lamarck, 1818
  2. Species Mactra achatina Holten, 1802
  3. Species Mactra aequisulcata G. B. Sowerby III, 1894
  4. Species Mactra alta Deshayes, 1855
  5. Species Mactra antiquata L. Spengler, 1802
  6. Species Mactra aphrodina Reeve, 1854
  7. Species Mactra artensis Montrouzier, 1859
  8. Species Mactra asiatica Tolstikova, 1964 †
  9. Species Mactra australis Lamarck, 1818
  10. Species Mactra axiniformis Tate, 1887 †
  11. Species Mactra bajarunasi V. P. Kolesnikov, 1925 †
  12. Species Mactra banbakoensis Yokoyama, 1928 †
  13. Species Mactra basteroti Mayer, 1853 †
  14. Species Mactra bodmani Stilwell & Zinsmeister, 1992 †
  15. Species Mactra carteri Beu, 2006 †
  16. Species Mactra chinensis R. A. Philippi, 1846
  17. Species Mactra corallina (Linnaeus, 1758)
  18. Species Mactra cordiformis Reeve, 1854
  19. Species Mactra crossei (Dunker, 1877)
  20. Species Mactra cumingii Reeve, 1854
  21. Species Mactra cuneata Gmelin, 1791
  22. Species Mactra cygnus Gmelin, 1791
  23. Species Mactra darwinii G. B. Sowerby I, 1846 †
  24. Species Mactra deshayesi Mayer, 1867
  25. Species Mactra dissimilis Reeve, 1854
  26. Species Mactra eburnea R. A. Philippi, 1849
  27. Species Mactra eximia Reeve, 1854
  28. Species Mactra faugeresi Gillet, 1971 †
  29. Species Mactra glabrata Linnaeus, 1767
  30. Species Mactra glauca Born, 1778
  31. Species Mactra grandis Gmelin, 1791
  32. Species Mactra haboroensis Yokoyama, 1927 †
  33. Species Mactra hamiltonensis Tate, 1887 †
  34. Species Mactra holmesi (Meek, 1875) †
  35. Species Mactra inaequalis Reeve, 1854
  36. Species Mactra incarnata Reeve, 1854
  37. Species Mactra incerta E. A. Smith, 1885
  38. Species Mactra iridescens Kuroda & Habe, 1958
  39. Species Mactra irigari Wilckens, 1910 †
  40. Species Mactra irizari Wilckens, 1910 †
  41. Species Mactra jacksonensis E. A. Smith, 1885
  42. Species Mactra kaffraria Rennie, 1930 †
  43. Species Mactra kanakina S. M. Souverbie, 1860
  44. Species Mactra lilacea Lamarck, 1818
  45. Species Mactra luzonica Reeve, 1854
  46. Species Mactra maculata Gmelin, 1791
  47. Species Mactra marwicki Beu, 2006 †
  48. Species Mactra mitis Reeve, 1854
  49. Species Mactra nipponica Kuroda & Habe, 1971
  50. Species Mactra olorina R. A. Philippi, 1846
  51. Species Mactra opposita Reeve, 1854
  52. Species Mactra patagonica A. d'Orbigny, 1841 †
  53. Species Mactra paulucci Aradas & Benoit, 1871
  54. Species Mactra plana K. Martin, 1879 †
  55. Species Mactra plistoneerlandica van Regteren Altena, 1937 †
  56. Species Mactra pulchella R. A. Philippi, 1846
  57. Species Mactra pura Reeve, 1854
  58. Species Mactra pusilla A. Adams, 1856
  59. Species Mactra quadrangularis Reeve, 1854
  60. Species Mactra queenslandica E. A. Smith, 1914
  61. Species Mactra rochebrunei E. Lamy, 1916
  62. Species Mactra sauliana Gray, 1838
  63. Species Mactra sericea Reeve, 1854
  64. Species Mactra sliekeri Thach, 2024
  65. Species Mactra stultorum (Linnaeus, 1758)
  66. Species Mactra subglobosa Broderip & G. B. Sowerby I, 1829
  67. Species Mactra subponderosa A. d'Orbigny, 1852 †
  68. Species Mactra superstes Davitashvili, 1931 †
  69. Species Mactra thaanumi Dall, Bartsch & Rehder, 1938
  70. Species Mactra turgida Gmelin, 1791
  71. Species Mactra turkmenica Tolstikova, 1964 †
  72. Species Mactra violacea Gmelin, 1791
  73. Species Mactra westralis Lamprell & Whitehead, 1990
  74. Subgenus Mactra (Allomactra) Tomlin, 1931 † accepted as Allomactra Tomlin, 1931 † (unaccepted > superseded rank)
  75. Subgenus Mactra (Avimactra) Andrusov, 1905 † accepted as Avimactra Andrusov, 1905 †
    1. Species Mactra (Avimactra) aviculoides Andrusov, 1905 † accepted as Avimactra aviculoides (Andrusov, 1905) †
  76. Subgenus Mactra (Barymactra) Cossmann, 1909 accepted as Barymactra Cossmann, 1909 (unaccepted > superseded rank)
  77. Subgenus Mactra (Chersonimactra) Paramonova, 1978 † accepted as Chersonimactra Paramonova, 1978 † (unaccepted > superseded rank)
    1. Species Mactra (Chersonimactra) balcica Macarovici, 1935 † accepted as Chersonimactra balcica (Macarovici, 1935) † (unaccepted > superseded combination)
    2. Species Mactra (Chersonimactra) bulgarica (Toula, 1892) † accepted as Chersonimactra bulgarica (Toula, 1892) † (unaccepted > superseded combination)
    3. Species Mactra (Chersonimactra) caspia Eichwald, 1840 † accepted as Ionesimactra caspia (Eichwald, 1840) † (unaccepted > superseded combination)
    4. Species Mactra (Chersonimactra) timida Zhizhchenko, 1934 † accepted as Chersonimactra timida (Zhizhchenko, 1934) † (unaccepted > superseded combination)
  78. Subgenus Mactra (Cyclomactra) Dall, 1895 accepted as Cyclomactra Dall, 1895 (original rank)
    1. Species Mactra (Cyclomactra) williamsi Marwick, 1948 † accepted as Cyclomactra williamsi (Marwick, 1948) † (superseded combination)
  79. Subgenus Mactra (Harvella) J. E. Gray, 1853 accepted as Harvella J. E. Gray, 1853 (unaccepted > superseded rank)
    1. Species Mactra (Harvella) sanctiblasii Maury, 1925 † accepted as Harvella elegans (G. B. Sowerby I, 1825) (unaccepted > junior subjective synonym)
  80. Subgenus Mactra (Hemimactra) Swainson, 1840 accepted as Spisula J. E. Gray, 1837 (unaccepted > junior subjective synonym)
    1. Species Mactra (Hemimactra) astensis Sacco, 1901 † (uncertain > unassessed)
  81. Subgenus Mactra (Heteromactra) E. Lamy, 1906 accepted as Cyamiomactra F. Bernard, 1897 (unaccepted > junior subjective synonym)
    1. Species Mactra (Heteromactra) laminifera E. Lamy, 1906 accepted as Cyamiomactra laminifera (E. Lamy, 1906) (basionym)
  82. Subgenus Mactra (Heteromactra) Cossmann, 1909 † accepted as Allomactra Tomlin, 1931 † (unaccepted > junior homonym, Invalid: junior homonym of Heteromactra Lamy, 1906)
    1. Species Mactra (Heteromactra) grateloupi Cossmann & Peyrot, 1909 † accepted as Allomactra grateloupi (Cossmann & Peyrot, 1909) † (unaccepted > superseded combination)
  83. Subgenus Mactra (Kirghizella) Andrusov, 1902 † accepted as Kirghizella Andrusov, 1902 †
    1. Species Mactra (Kirghizella) pisum Andrusov, 1902 † accepted as Kirghizella pisum (Andrusov, 1902) †
  84. Subgenus Mactra (Mactrodrerma) Dall, 1894 accepted as Mactrotoma Dall, 1894
  85. Subgenus Mactra (Mactrotoma) Dall, 1894 accepted as Mactrotoma Dall, 1894 (unaccepted > superseded rank)
    1. Species Mactra (Mactrotoma) aspersa G. B. Sowerby I, 1825 accepted as Oxyperas aspersum (G. B. Sowerby I, 1825)
    2. Species Mactra (Mactrotoma) capensis G. B. Sowerby III, 1892 accepted as Simomactra capensis (G. B. Sowerby III, 1892)
    3. Species Mactra (Mactrotoma) quirosana H. Hodson, 1931 † accepted as Mactrotoma quirosana (H. Hodson, 1931) † (unaccepted > superseded combination)
    4. Species Mactra (Mactrotoma) tholoensis Ladd, 1934 † accepted as Mactrotoma tholoensis (Ladd, 1934) †
    5. Species Mactra (Mactrotoma) vitiensis (A. M. Davies, 1927) † accepted as Mactrotoma vitiensis (A. M. Davies, 1927) †
    6. Species Mactra (Mactrotoma) cymata Dall, 1898 † (uncertain > unassessed)
    7. Species Mactra (Mactrotoma) iridia Olsson, 1932 † (uncertain > unassessed)
    8. Species Mactra (Mactrotoma) profragilis J. A. Gardner, 1936 † (uncertain > unassessed)
    9. Species Mactra (Mactrotoma) undula Dall, 1898 † (uncertain > unassessed)
    10. Species Mactra (Mactrotoma) willcoxii Dall, 1898 † (uncertain > unassessed)
  86. Subgenus Mactra (Mactrula) Marwick, 1948 accepted as Pseudocardium Gabb, 1866 †
    1. Species Mactra (Mactrula) mula Marwick, 1948 † accepted as Pseudocardium mula (Marwick, 1948) † (superseded combination)
  87. Subgenus Mactra (Maorimactra) H. J. Finlay, 1928 accepted as Maorimactra H. J. Finlay, 1928 (unaccepted > superseded rank)
    1. Species Mactra (Maorimactra) acuminella (H. J. Finlay, 1930) † accepted as Maorimactra acuminella H. J. Finlay, 1930 † (superseded combination)
    2. Species Mactra (Maorimactra) bodmani Stilwell & Zinsmeister, 1992 † accepted as Maorimactra bodmani (Stilwell & Zinsmeister, 1992) † accepted as Mactra bodmani Stilwell & Zinsmeister, 1992 †
    3. Species Mactra (Maorimactra) ordinaria E. A. Smith, 1898 accepted as Maorimactra ordinaria (E. A. Smith, 1898) (superseded combination)
    4. Species Mactra (Maorimactra) carteri Beu, 2006 † represented as Mactra carteri Beu, 2006 †
    5. Species Mactra (Maorimactra) chrydaea (Suter, 1911) † represented as Mactra chrydaea Suter, 1911 † accepted as Maorimactra chrydaea (Suter, 1911) †
    6. Species Mactra (Maorimactra) marwicki Beu, 2006 † represented as Mactra marwicki Beu, 2006 †
  88. Subgenus Mactra (Micromactra) Dall, 1894 accepted as Mactrella J. E. Gray, 1853 (unaccepted > junior subjective synonym)
    1. Species Mactra (Micromactra) atacama Pilsbry & Olsson, 1941 accepted as Mactrotoma angusta (Reeve, 1854)
    2. Species Mactra (Micromactra) isthmica Pilsbry & H. N. Lowe, 1932 accepted as Mactrotoma isthmica (Pilsbry & H. N. Lowe, 1932) (unaccepted > superseded combination)
    3. Species Mactra (Micromactra) surinamensis van Regteren Altena, 1968 accepted as Mactrotoma surinamensis (van Regteren Altena, 1968)
    4. Species Mactra (Micromactra) vanattae Pilsbry & H. N. Lowe, 1932 accepted as Mactrotoma isthmica (Pilsbry & H. N. Lowe, 1932) (unaccepted > junior subjective synonym)
    5. Species Mactra (Micromactra) macescens Guppy, 1866 † (uncertain > unassessed)
  89. Subgenus Mactra (Mulinia) J. E. Gray, 1837 accepted as Mulinia J. E. Gray, 1837 (unaccepted > superseded rank)
    1. Species Mactra (Mulinia) levicardo E. A. Smith, 1881 accepted as Mulinia levicardo (E. A. Smith, 1881) (basionym)
    2. Species Mactra (Mulinia) rodatzi Dunker, 1850 accepted as Mulinia edulis (P. P. King, 1832)
  90. Subgenus Mactra (Oxyperas) Mörch, 1853 accepted as Oxyperas Mörch, 1853
    1. Species Mactra (Oxyperas) coppingeri E. A. Smith, 1884 accepted as Oxyperas coppingeri (E. A. Smith, 1884) (basionym)
  91. Subgenus Mactra (Pseudoxyperas) Sacco, 1901 accepted as Oxyperas Mörch, 1853 (junior subjective synonym)
    1. Species Mactra (Pseudoxyperas) proaspersa Sacco, 1901 accepted as Oxyperas proaspersum (Sacco, 1901)
  92. Subgenus Mactra (Sarmatimactra) Korobkov, 1954 † accepted as Sarmatimactra Korobkov, 1954 † (unaccepted > superseded rank)
    1. Species Mactra (Sarmatimactra) andrussowi V. Kolesnikov, 1925 † accepted as Sarmatimactra andrussowi (V. Kolesnikov, 1925) †
    2. Species Mactra (Sarmatimactra) balcica Macarovici, 1935 † accepted as Chersonimactra balcica (Macarovici, 1935) † (unaccepted > superseded combination)
    3. Species Mactra (Sarmatimactra) bulgarica Toula, 1892 † accepted as Chersonimactra bulgarica (Toula, 1892) †
    4. Species Mactra (Sarmatimactra) caspia Eichwald, 1840 † accepted as Ionesimactra caspia (Eichwald, 1840) †
    5. Species Mactra (Sarmatimactra) eichwaldi Laskarev, 1914 † accepted as Podolimactra eichwaldi (Laskarew, 1914) †
    6. Species Mactra (Sarmatimactra) fabreana A. d'Orbigny, 1845 † accepted as Sarmatimactra fabreana (A. d'Orbigny, 1845) † (unaccepted > superseded combination)
    7. Species Mactra (Sarmatimactra) georgei (Baily, 1858) † accepted as Sarmatimactra georgei (Baily, 1858) † (unaccepted > superseded combination)
    8. Species Mactra (Sarmatimactra) pallasi (Baily, 1858) † accepted as Sarmatimactra vitaliana pallasi (Baily, 1858) †
    9. Species Mactra (Sarmatimactra) podolica Eichwald, 1830 † accepted as Sarmatimactra podolica (Eichwald, 1830) † (unaccepted > superseded combination)
    10. Species Mactra (Sarmatimactra) tapesoides Sinzov, 1897 † accepted as Sarmatimactra tapesoides (Sinzov, 1897) †
    11. Species Mactra (Sarmatimactra) timida Zhizhchenko, 1934 † accepted as Chersonimactra timida (Zhizhchenko, 1934) † (unaccepted > superseded combination)
    12. Species Mactra (Sarmatimactra) vitaliana A. d'Orbigny, 1845 † accepted as Sarmatimactra vitaliana (A. d'Orbigny, 1845) † (unaccepted > superseded combination)
  93. Subgenus Mactra (Simomactra) Dall, 1894 accepted as Simomactra Dall, 1894
    1. Species Mactra (Simomactra) hoffstetteri Cauquoin, 1969 accepted as Spisula adamsi Olsson, 1961
  94. Subgenus Mactra (Spisula) J. E. Gray, 1837 accepted as Spisula J. E. Gray, 1837
    1. Species Mactra (Spisula) asperaeformis Nomura & Zinbo, 1934 † accepted as Oxyperas (Rugosoxyperas) asperaeformis (Nomura & Zinbo, 1934) † (unaccepted > superseded combination)
    2. Species Mactra (Spisula) grayana Schrenck, 1867 accepted as Mactromeris polynyma (W. Stimpson, 1860)
    3. Species Mactra (Spisula) subtruncata (da Costa, 1778) accepted as Spisula subtruncata (da Costa, 1778) (unaccepted > superseded combination)
  95. Subgenus Mactra (Stiphromactra) Böhm, 1929 † accepted as Stiphromactra Böhm, 1929 † (unaccepted > superseded rank)
    1. Species Mactra (Stiphromactra) welwitschi J. Böhm, 1929 † accepted as Stiphromactra welwitschi (J. Böhm, 1929) † (unaccepted > superseded combination)
  96. Subgenus Mactra (Trigonella) Conrad, 1837 accepted as Tivela Link, 1807
    1. Species Mactra (Trigonella) incerta E. A. Smith, 1885 accepted as Mactra incerta E. A. Smith, 1885 (basionym)
    2. Species Mactra (Trigonella) jacksonensis E. A. Smith, 1885 accepted as Mactra jacksonensis E. A. Smith, 1885 (basionym)
    3. Species Mactra (Trigonella) laevis Dunker, 1871 accepted as Mactra lilacea Lamarck, 1818 (junior synonym)
    4. Species Mactra (Trigonella) radiata Dunker, 1871 (uncertain > taxon inquirendum, not of Mendes da Costa, 1778; not of Spengler, 1802; not of Donovan, 1803)
  97. Species Mactra acuminella (Finlay, 1930) † accepted as Maorimactra acuminella H. J. Finlay, 1930 †
  98. Species Mactra acutecarinata Andrusov, 1902 † accepted as Andrussella acutecarinata (Andrusov, 1902) †
  99. Species Mactra acutissima Cosel, 1995 accepted as Scissodesma acutissima (Cosel, 1995)
  100. Species Mactra adansoni [sic] accepted as Mactra adansonii R. A. Philippi, 1849 accepted as Mactra glabrata Linnaeus, 1767 (misspelling of specific epithet)
  101. Species Mactra adansonii R. A. Philippi, 1849 accepted as Mactra glabrata Linnaeus, 1767
  102. Species Mactra adspersa Dunker, 1849 accepted as Mactra achatina Holten, 1802
  103. Species Mactra aegyptiaca Dillwyn, 1817 accepted as Meropesta nicobarica (Gmelin, 1791)
  104. Species Mactra aequilatera Reeve, 1854 accepted as Crassula aequilatera (Reeve, 1854) (superseded combination)
  105. Species Mactra aequilateralis Deshayes, 1854 accepted as Crassula aequilatera (Reeve, 1854) (junior objective synonym)
  106. Species Mactra agalarovae A. A. Ali-Zade, 1967 † accepted as Aktschagylia eldarica (V. P. Kolesnikov, 1950) † (junior subjective synonym)
  107. Species Mactra alata A. A. Ali-Zade & O. I. Popova, 1967 † accepted as Avimactra praeaviculoides Cheltsov, 1967 † (tentative junior subjective synonym)
  108. Species Mactra alata L. Spengler, 1802 accepted as Mactrellona alata (L. Spengler, 1802) (unaccepted > superseded combination)
  109. Species Mactra alata Macarovici, 1940 † accepted as Planimactra plana (Belokrys, 1964) † accepted as Planimactra anapica (Steklov, 1955) † (unaccepted > junior homonym, A junior homonym of Mactra alata Spengel, 1802)
  110. Species Mactra alba Lamarck, 1818 accepted as Mactra corallina (Linnaeus, 1758)
  111. Species Mactra alba W. Wood, 1802 accepted as Abra alba (W. Wood, 1802) (unaccepted > superseded combination)
  112. Species Mactra albana A. A. Ali-Zade & O. I. Popova, 1967 † accepted as Aktschagylia nazarlebi (K. A. Ali-Zade, 1932) † (junior subjective synonym)
  113. Species Mactra albaria Conrad, 1848 † accepted as Mactromeris albaria (Conrad, 1848) † (unaccepted > superseded combination)
  114. Species Mactra albina Deshayes, 1832 accepted as Leptospisula nivea (Gmelin, 1791)
  115. Species Mactra alfredensis Bartsch, 1915 accepted as Standella ovalina (Lamarck, 1818) (unaccepted > junior subjective synonym)
  116. Species Mactra ambiqua Weinkauff, 1884 accepted as Mactrotoma compressa (L. Spengler, 1802)
  117. Species Mactra amygdala Crosse & P. Fischer, 1864 accepted as Anapella cycladea (Lamarck, 1818)
  118. Species Mactra anapica Steklov, 1955 † accepted as Planimactra anapica (Steklov, 1955) † (unaccepted > superseded combination)
  119. Species Mactra anatina L. Spengler, 1802 accepted as Anatina anatina (L. Spengler, 1802) (original combination)
  120. Species Mactra anatinoides Reeve, 1854 accepted as Raeta pellicula (Reeve, 1854)
  121. Species Mactra andamanica (E. A. Smith, 1904) accepted as Periploma andamanicum (E. A. Smith, 1904)
  122. Species Mactra andrussowi V. Kolesnikov, 1925 † accepted as Sarmatimactra andrussowi (V. Kolesnikov, 1925) † (unaccepted > superseded combination)
  123. Species Mactra angolensis Cosel, 1995 accepted as Scissodesma angolensis (Cosel, 1995)
  124. Species Mactra angulata Reeve, 1854 accepted as Mulinia pallida (Broderip & G. B. Sowerby I, 1829) (unaccepted > junior homonym, not Mactra angulata J. de C. Sowerby, 1836)
  125. Species Mactra angulifera Reeve, 1854 accepted as Mactrotoma angulifera (Reeve, 1854) (original combination)
  126. Species Mactra angulifera Deshayes, 1855 accepted as Mactra angulifera Reeve, 1854 accepted as Mactrotoma angulifera (Reeve, 1854) (synonym and homonym)
  127. Species Mactra angusta Reeve, 1854 accepted as Mactrotoma angusta (Reeve, 1854) (original combination)
  128. Species Mactra angusta Deshayes, 1855 accepted as Mactra angusta Reeve, 1854 accepted as Mactrotoma angusta (Reeve, 1854) (synonym and homonym)
  129. Species Mactra anserina Guppy, 1873 accepted as Mactrotoma fragilis (Gmelin, 1791) (unaccepted > junior subjective synonym)
  130. Species Mactra aphrodina Deshayes, 1855 accepted as Mactra aphrodina Reeve, 1854 (synonym and homonym)
  131. Species Mactra apicina Reeve, 1854 accepted as Mactra luzonica Reeve, 1854
  132. Species Mactra approba A. A. Ali-Zade, 1967 † accepted as Aktschagylia karabugasica (Andrusov, 1902) † (tentative junior subjective synonym)
  133. Species Mactra araucana A. d'Orbigny, 1843 † accepted as Cymbophora araucana (A. d'Orbigny, 1843) † (unaccepted > superseded combination)
  134. Species Mactra arctata Conrad, 1831 accepted as Mesodesma arctatum (Conrad, 1831) (unaccepted > superseded combination)
  135. Species Mactra ashburnerii Gabb, 1864 † accepted as Cymbophora ashburnerii (Gabb, 1864) † (unaccepted > superseded combination)
  136. Species Mactra aspersa G. B. Sowerby I, 1825 accepted as Oxyperas aspersa (G. B. Sowerby I, 1825) accepted as Oxyperas aspersum (G. B. Sowerby I, 1825)
  137. Species Mactra asteriae A. A. Ali-Zade, 1967 † accepted as Aktschagylia ossoskovi (Andrusov, 1902) † (tentative junior subjective synonym)
  138. Species Mactra atacama Pilsbry & Olsson, 1941 accepted as Mactrotoma angusta (Reeve, 1854)
  139. Species Mactra attenuata Reeve, 1854 accepted as Mactra cygnus Gmelin, 1791
  140. Species Mactra attenuata Deshayes, 1855 accepted as Mactra attenuata Reeve, 1854 accepted as Mactra cygnus Gmelin, 1791 (synonym and homonym)
  141. Species Mactra attenuata F. W. Hutton, 1873 † accepted as Oxyperas leda (H. J. Finlay, 1924) † (invalid: not Reeve, 1854, nor Deshayes, 1855)
  142. Species Mactra austeniana Maury, 1912 † accepted as Tivela austeniana (Maury, 1912) † (unaccepted > superseded combination)
  143. Species Mactra azerbajdjanica A. A. Ali-Zade & Kabakova, 1967 † accepted as Aktschagylia azerbajdjanica (A. A. Ali-Zade & Kabakova, 1967) †
  144. Species Mactra balchanica A. A. Ali-Zade, 1967 † accepted as Aktschagylia subcaspia (Andrusov, 1902) † (tentative junior subjective synonym)
  145. Species Mactra balcica Macarovici, 1935 † accepted as Chersonimactra balcica (Macarovici, 1935) † (unaccepted > superseded combination)
  146. Species Mactra bernayi Cossmann, 1886 † accepted as Spisula bernayi (Cossmann, 1886) † (unaccepted > superseded combination)
  147. Species Mactra bilineata Reeve, 1854 accepted as Mactrotoma fragilis (Gmelin, 1791)
  148. Species Mactra bilineata Deshayes, 1855 accepted as Mactra bilineata Reeve, 1854 accepted as Mactrotoma fragilis (Gmelin, 1791) (synonym and homonym)
  149. Species Mactra bistrigata Mörch, 1860 accepted as Mulinia pallida (Broderip & G. B. Sowerby I, 1829)
  150. Species Mactra bogatschevi A. A. Ali-Zade, 1967 † accepted as Kirghizella modiolopsis (Cheltsov, 1967) † (tentative junior subjective synonym)
  151. Species Mactra bonneauii Bernardi, 1858 accepted as Mactra quadrangularis Reeve, 1854
  152. Species Mactra bourguignati Locard, 1890 accepted as Mactra stultorum (Linnaeus, 1758)
  153. Species Mactra boysii Montagu, 1803 accepted as Abra alba (W. Wood, 1802)
  154. Species Mactra brasiliana Lamarck, 1818 accepted as Mactrotoma fragilis (Gmelin, 1791)
  155. Species Mactra bulgarica Toula, 1892 † accepted as Chersonimactra bulgarica (Toula, 1892) †
  156. Species Mactra burdigalensis Mayer, 1864 † accepted as Barymactra burdigalensis (Mayer, 1864) † (unaccepted > superseded combination)
  157. Species Mactra calbucana R. A. Philippi, 1893 accepted as Mulinia exalbida J. E. Gray, 1837
  158. Species Mactra californica Reeve, 1854 accepted as Mactrotoma nasuta (A. Gould, 1851)
  159. Species Mactra californica Conrad, 1837 accepted as Mactrella californica (Conrad, 1837) accepted as Mactrotoma californica (Conrad, 1837) (original combination)
  160. Species Mactra californica Deshayes, 1855 accepted as Mactra californica Reeve, 1854 accepted as Mactrotoma nasuta (A. Gould, 1851) (synonym and homonym)
  161. Species Mactra campechensis J. E. Gray, 1825 accepted as Raeta plicatella (Lamarck, 1818) (unaccepted > junior subjective synonym)
  162. Species Mactra candida Nardo, 1847 accepted as Mactra corallina (Linnaeus, 1758)
  163. Species Mactra capensis G. B. Sowerby III, 1892 accepted as Simomactra capensis (G. B. Sowerby III, 1892)
  164. Species Mactra capillacea Reeve, 1854 accepted as Meropesta capillacea (Reeve, 1854)
  165. Species Mactra capillacea Deshayes, 1855 accepted as Mactra capillacea Reeve, 1854 accepted as Meropesta capillacea (Reeve, 1854) (synonym and homonym)
  166. Species Mactra carinata Lamarck, 1818 accepted as Mactrellona alata (L. Spengler, 1802)
  167. Species Mactra carinulata Reeve, 1854 accepted as Mulinia cleryana (A. d'Orbigny, 1846)
  168. Species Mactra carinulata Deshayes, 1855 accepted as Mactra carinulata Reeve, 1854 accepted as Mulinia cleryana (A. d'Orbigny, 1846) (synonym and homonym)
  169. Species Mactra carneopicta Pilsbry, 1904 accepted as Mactra chinensis R. A. Philippi, 1846
  170. Species Mactra caspia Eichwald, 1840 † accepted as Ionesimactra caspia (Eichwald, 1840) † (unaccepted > superseded combination)
  171. Species Mactra castanea Lamarck, 1818 accepted as Spisula solida (Linnaeus, 1758)
  172. Species Mactra catilliformis (Conrad, 1867) accepted as Mactromeris catilliformis (Conrad, 1867) (unaccepted > superseded combination)
  173. Species Mactra cecileana A. d'Orbigny, 1843 † accepted as Leionucula cecileana (A. d'Orbigny, 1843) † (unaccepted > superseded combination)
  174. Species Mactra chemnitzii Gray, 1837 accepted as Mactra antiquata L. Spengler, 1802
  175. Species Mactra chrydaea Suter, 1911 † accepted as Maorimactra chrydaea (Suter, 1911) † (superseded combination)
  176. Species Mactra cibaria R. A. Philippi, 1893 accepted as Mulinia exalbida J. E. Gray, 1837
  177. Species Mactra cinerea Montagu, 1808 accepted as Mactra stultorum (Linnaeus, 1758) (synonym)
  178. Species Mactra cleryana A. d'Orbigny, 1846 accepted as Mulinia cleryana (A. d'Orbigny, 1846) (original combination)
  179. Species Mactra cojimbensis Anton, 1837 accepted as Mulinia edulis (P. P. King, 1832)
  180. Species Mactra colchaguana Hupé, 1854 † accepted as Pitar colchaguanus (Hupé, 1854) † (unaccepted > superseded combination)
  181. Species Mactra colchaguensis R. A. Philippi, 1887 † accepted as Mactra colchaguana Hupé, 1854 † accepted as Pitar colchaguanus (Hupé, 1854) † (unaccepted > unjustified emendation)
  182. Species Mactra coloradoensis Dall, 1894 accepted as Mulinia modesta (P. P. Carpenter, 1864) (unaccepted > junior subjective synonym)
  183. Species Mactra complanata Reeve, 1854 accepted as Simomactra chionia (Tomlin, 1921) (unaccepted > junior homonym, Junior homonym of Mactra complanata Gmelin, 1791. Mactrinula chionia Tomlin, 1921 is a replacement name)
  184. Species Mactra complanata Gmelin, 1791 accepted as Lutraria complanata (Gmelin, 1791) (unaccepted > superseded combination)
  185. Species Mactra complanata Deshayes, 1854 accepted as Mactra complanata Reeve, 1854 accepted as Simomactra chionia (Tomlin, 1921) (junior synonym and homonym)
  186. Species Mactra compressa L. Spengler, 1802 accepted as Mactrotoma compressa (L. Spengler, 1802)
  187. Species Mactra compressa Pulteney, 1799 accepted as Scrobicularia plana (da Costa, 1778)
  188. Species Mactra compressa Deshayes, 1832 † accepted as Austromactra compressa (Deshayes, 1832) † (unaccepted > superseded combination)
  189. Species Mactra concentrica Bory de Saint-Vincent, 1827 accepted as Mactrellona alata (L. Spengler, 1802)
  190. Species Mactra congesta Conrad, 1833 † accepted as Mulinia congesta (Conrad, 1833) † (unaccepted > superseded combination)
  191. Species Mactra contortula Deshayes, 1857 † accepted as Austromactra contortula (Deshayes, 1857) † (unaccepted > superseded combination)
  192. Species Mactra contraria Reeve, 1854 accepted as Austromactra contraria (Reeve, 1854)
  193. Species Mactra contraria Deshayes, 1855 (unaccepted, synonym and homonym)
  194. Species Mactra coppingeri E. A. Smith, 1884 (unaccepted, original combination)
  195. Species Mactra coquimba R. A. Philippi, 1887 (unaccepted)
  196. Species Mactra coquimbana R. A. Philippi, 1893 (unaccepted)
  197. Species Mactra corbiculoides Reeve, 1854 (unaccepted)
  198. Species Mactra corbiculoides Deshayes, 1855 (unaccepted, synonym and homonym)
  199. Species Mactra corbuloides Reeve, 1854 (unaccepted)
  200. Species Mactra corbuloides Deshayes, 1855 (unaccepted)
  201. Species Mactra cornea Reeve, 1854 (unaccepted)
  202. Species Mactra cornea Poli, 1791 (unaccepted, original combination)
  203. Species Mactra crassatella Lamarck, 1818 (unaccepted)
  204. Species Mactra crassitesta Finlay, 1927 † (unaccepted, superseded combination)
  205. Species Mactra crista Jousseaume, 1894 (unaccepted > junior subjective synonym)
  206. Species Mactra cumingiana Petit de la Saussaye, 1853 (unaccepted)
  207. Species Mactra cuneola A. Gould, 1850 (unaccepted)
  208. Species Mactra cuvieri Deshayes, 1854 (unaccepted)
  209. Species Mactra cygnea L. Spengler, 1802 (unaccepted)
  210. Species Mactra cygnea Lamarck, 1799 † (unaccepted)
  211. Species Mactra cygnea R. A. Philippi, 1844 (unaccepted > junior homonym, junior homonym of Mactra cygnea Lamarck, 1799 and Mactra cygnea Spengler, 1802)
  212. Species Mactra cyprinus W. Wood, 1828 (unaccepted, original combination)
  213. Species Mactra cyrenoides Michelotti, 1861 † (unaccepted > junior subjective synonym)
  214. Species Mactra danatensis A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  215. Species Mactra davidaschvilii A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  216. Species Mactra dealbata Pulteney, 1799 (unaccepted, original combination)
  217. Species Mactra deaurata W. Turton, 1822 (unaccepted, original combination)
  218. Species Mactra debilis A. Gould, 1850 (unaccepted)
  219. Species Mactra decora Reeve, 1854 (unaccepted, junior synonym)
  220. Species Mactra decora A. A. Ali-Zade & O. I. Popova, 1967 † (unaccepted, junior subjective synonym)
  221. Species Mactra decora Deshayes, 1855 (unaccepted, synonym and homonym)
  222. Species Mactra delicatula Preston, 1904 (unaccepted > junior subjective synonym)
  223. Species Mactra deltoides Lamarck, 1818 (unaccepted)
  224. Species Mactra delumbis Conrad, 1832 † (unaccepted > superseded combination)
  225. Species Mactra deluta A. Gould, 1850 (unaccepted > junior subjective synonym)
  226. Species Mactra depressa L. Spengler, 1802 (unaccepted)
  227. Species Mactra depressa Lamarck, 1818 (unaccepted)
  228. Species Mactra deshayesii Conrad, 1868 (unaccepted)
  229. Species Mactra dianae A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  230. Species Mactra diolensis Bouchet & Nicklès, 1976 (unaccepted)
  231. Species Mactra discors J. E. Gray, 1837 (unaccepted, superseded combination)
  232. Species Mactra dissimilis Deshayes, 1855 (unaccepted, synonym and homonym)
  233. Species Mactra dolabrata Reeve, 1854 (unaccepted)
  234. Species Mactra dolabrata Deshayes, 1855 (unaccepted, synonym and homonym)
  235. Species Mactra dolabriformis (Conrad, 1867) (unaccepted > superseded combination)
  236. Species Mactra donacia Lamarck, 1818 (unaccepted)
  237. Species Mactra dunkeri Yokoyama, 1922 (unaccepted > junior subjective synonym)
  238. Species Mactra dysoni Reeve, 1854 (unaccepted)
  239. Species Mactra ebersini A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  240. Species Mactra edulis P. P. King, 1832 (unaccepted, original combination)
  241. Species Mactra egena Reeve, 1854 (unaccepted)
  242. Species Mactra egena Deshayes, 1855 (unaccepted, synonym and homonym)
  243. Species Mactra eichwaldi Laskarev, 1914 † (unaccepted > superseded combination)
  244. Species Mactra elegans G. B. Sowerby I, 1825 (unaccepted, original combination)
  245. Species Mactra elegans F. W. Hutton, 1873 † (unaccepted, Invalid: not G.B. Sowerby I, 1825 (homonym). Mactra ordinaria E.A. Smith 1898 is a replacment name)
  246. Species Mactra elliptica T. Brown, 1827 (unaccepted)
  247. Species Mactra elongata Quoy & Gaimard, 1835 (unaccepted, superseded combination)
  248. Species Mactra epidermia R. A. Philippi, 1893 (unaccepted > junior homonym, junior homonym of Mactra epidermia Deshayes in Reeve, 1854)
  249. Species Mactra epidermia Reeve, 1854 (unaccepted)
  250. Species Mactra erebea Brongniart, 1823 † (unaccepted > superseded combination)
  251. Species Mactra estrellana Olsson, 1922 (unaccepted)
  252. Species Mactra eurydicae A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  253. Species Mactra euxinica Krynicki, 1837 (unaccepted > nomen nudum)
  254. Species Mactra exoleta J. E. Gray, 1837 (unaccepted, original combination)
  255. Species Mactra explanata Deshayes, 1855 (unaccepted, synonym and homonym)
  256. Species Mactra explanata Reeve, 1854 (unaccepted, superseded combination)
  257. Species Mactra fabreana A. d'Orbigny, 1845 † (unaccepted > superseded combination)
  258. Species Mactra falcata A. Gould, 1850 (unaccepted, original combination)
  259. Species Mactra fasciata Lamarck, 1818 (unaccepted)
  260. Species Mactra fauroti Jousseaume, 1888 (unaccepted, junior synonym)
  261. Species Mactra fluviatilis Angas, 1871 (unaccepted)
  262. Species Mactra fonsecana Hertlein & A. M. Strong, 1950 (unaccepted)
  263. Species Mactra fragilis Chemnitz, 1782 (unaccepted > unavailable name, published in a work rejected by ICZN, 1944, Opinion 184)
  264. Species Mactra fragilis Laskarew, 1903 † (unaccepted > junior homonym)
  265. Species Mactra fragilis Gmelin, 1791 (unaccepted > superseded combination)
  266. Species Mactra fuegiensis E. A. Smith, 1905 (unaccepted > superseded combination)
  267. Species Mactra fujinensis Yokoyama, 1923 (unaccepted > junior subjective synonym)
  268. Species Mactra gabbi Tryon, 1870 (unaccepted)
  269. Species Mactra gallina L. Spengler, 1802 (unaccepted)
  270. Species Mactra gedroitzi (V. P. Kolesnikov, 1950) † (unaccepted, junior subjective synonym)
  271. Species Mactra georgei (Baily, 1858) † (unaccepted > superseded combination)
  272. Species Mactra geranica A. A. Ali-Zade & Kabakova, 1967 † (unaccepted, junior subjective synonym)
  273. Species Mactra gibba A. A. Ali-Zade & Kabakova, 1967 † (unaccepted, junior subjective synonym)
  274. Species Mactra gibbosa A. A. Ali-Zade & O. I. Popova, 1967 † (unaccepted, junior subjective synonym)
  275. Species Mactra gibbosula Reeve, 1854 (unaccepted)
  276. Species Mactra gigantea Lamarck, 1818 (unaccepted > junior subjective synonym)
  277. Species Mactra glabrata Linnaeus, 1767 sensu Gmelin, 1791 (unaccepted > misapplication)
  278. Species Mactra goniata Deshayes, 1855 (unaccepted)
  279. Species Mactra goniocyma Pilsbry & H. N. Lowe, 1932 (unaccepted > superseded combination)
  280. Species Mactra gracilis Locard, 1891 (unaccepted)
  281. Species Mactra grandis Deshayes, 1832 (unaccepted)
  282. Species Mactra grayana Schrenck, 1867 (unaccepted)
  283. Species Mactra guadelupensis Récluz, 1852 (unaccepted)
  284. Species Mactra guidoi Signorelli & F. Scarabino, 2010 (unaccepted > superseded combination)
  285. Species Mactra helvacea Lamarck, 1818 (unaccepted)
  286. Species Mactra hemphillii Dall, 1894 (unaccepted, original combination)
  287. Species Mactra hepatica Reeve, 1854 (unaccepted)
  288. Species Mactra hepatica Deshayes, 1855 (unaccepted, synonym and homonym)
  289. Species Mactra hians R. A. Philippi, 1846 (unaccepted > junior homonym, junior homonym of Mactra hians Pulteney, 1799)
  290. Species Mactra hians Pulteney, 1799 (unaccepted > junior subjective synonym)
  291. Species Mactra hiantina Deshayes, 1855 (unaccepted)
  292. Species Mactra hoffstetteri Cauquoin, 1969 (unaccepted)
  293. Species Mactra howchiniana Tate, 1887 † (unaccepted)
  294. Species Mactra iheringi (Dall, 1897) (unaccepted)
  295. Species Mactra imago Andrusov, 1905 † (unaccepted, junior subjective synonym)
  296. Species Mactra inaequalis Deshayes, 1855 (unaccepted, synonym and homonym)
  297. Species Mactra inceri Petuch, 1998 (unaccepted)
  298. Species Mactra incongrua Reeve, 1854 (unaccepted)
  299. Species Mactra incongrua Deshayes, 1855 (unaccepted, synonym and homonym)
  300. Species Mactra inconstans Cosel, 1995 (unaccepted)
  301. Species Mactra inflata Bronn, 1831 (unaccepted)
  302. Species Mactra inflata F. W. Hutton, 1873 † (unaccepted, junior subjective synonym)
  303. Species Mactra inflata Zhizhchenko, 1934 † (unaccepted > junior homonym, A junior homonym of Mactra inflata Bronn, 1831)
  304. Species Mactra inostranzevi Andrusov, 1902 † (unaccepted)
  305. Species Mactra intermedia Aradas, 1847 (unaccepted, dubious synonym)
  306. Species Mactra intuspicta Deshayes, 1855 (unaccepted)
  307. Species Mactra isabelleana A. d'Orbigny, 1841 (unaccepted > superseded combination)
  308. Species Mactra isthmia Jousseaume, 1888 (unaccepted > junior subjective synonym)
  309. Species Mactra isthmica Pilsbry & H. N. Lowe, 1932 (unaccepted > superseded combination)
  310. Species Mactra janeiroensis E. A. Smith, 1915 (unaccepted, original combination)
  311. Species Mactra jickelii Weinkauff, 1881 (unaccepted, junior synonym)
  312. Species Mactra jonasi R. A. Philippi, 1893 (unaccepted > junior subjective synonym)
  313. Species Mactra jousseaumi Mabille & Rochebrune, 1889 (unaccepted)
  314. Species Mactra kambai A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  315. Species Mactra karabugasica Andrusov, 1902 † (unaccepted)
  316. Species Mactra kolesnikovi A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  317. Species Mactra kraussi W. H. Turton, 1932 (unaccepted > junior subjective synonym)
  318. Species Mactra kuraense [sic] † (unaccepted, junior subjective synonym; incorrect original spelling)
  319. Species Mactra kurense A. A. Ali-Zade & O. I. Popova, 1967 † (unaccepted, junior subjective synonym)
  320. Species Mactra lacinata P. P. Carpenter, 1856 (unaccepted)
  321. Species Mactra lactea Poli, 1791 (unaccepted)
  322. Species Mactra lactea (Poli, 1795) sensu Lamarck, 1818 (unaccepted, misapplication)
  323. Species Mactra lactea Gmelin, 1791 (unaccepted)
  324. Species Mactra laevigata Schumacher, 1817 (unaccepted)
  325. Species Mactra laevis Dunker, 1871 (unaccepted, junior synonym)
  326. Species Mactra laevis Reeve, 1854 (unaccepted > junior subjective synonym)
  327. Species Mactra lamarckii R. A. Philippi, 1846 (unaccepted)
  328. Species Mactra lamberti Deshayes, 1857 † (unaccepted > superseded combination)
  329. Species Mactra laminifera E. Lamy, 1906 (unaccepted, original combination)
  330. Species Mactra largillierti R. A. Philippi, 1849 (unaccepted)
  331. Species Mactra lateralis Say, 1822 (unaccepted)
  332. Species Mactra laudunensis Watelet, 1853 † (unaccepted > superseded combination)
  333. Species Mactra lavata F. W. Hutton, 1885 † (unaccepted, junior subjective synonym)
  334. Species Mactra leda H. J. Finlay, 1924 † (unaccepted, superseded combination)
  335. Species Mactra lenticularis A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  336. Species Mactra lentiginosa A. Gould, 1852 (unaccepted > superseded combination)
  337. Species Mactra levicardo E. A. Smith, 1881 (unaccepted, original combination)
  338. Species Mactra lisor Anton, 1838 (unaccepted)
  339. Species Mactra listeri Gmelin, 1791 (unaccepted)
  340. Species Mactra loebbeckeana Weinkauff, 1881 (unaccepted)
  341. Species Mactra longa A. A. Ali-Zade & Kabakova, 1969 † (unaccepted, junior subjective synonym)
  342. Species Mactra lotensis R. A. Philippi, 1893 (unaccepted)
  343. Species Mactra loustauae Bayan, 1873 † (unaccepted > superseded combination)
  344. Species Mactra luedorfii Dunker, 1864 (unaccepted > junior subjective synonym)
  345. Species Mactra luppovi A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  346. Species Mactra lurida R. A. Philippi, 1850 (unaccepted)
  347. Species Mactra luteola Lovén, 1846 (unaccepted)
  348. Species Mactra luxata Zhizhchenko, 1934 † (unaccepted > junior subjective synonym)
  349. Species Mactra luzonica Deshayes, 1855 (unaccepted, synonym and homonym)
  350. Species Mactra maculosa Lamarck, 1818 (unaccepted)
  351. Species Mactra magellanica R. A. Philippi, 1893 (unaccepted)
  352. Species Mactra makiyamai Yokoyama, 1928 (unaccepted > superseded combination)
  353. Species Mactra mana A. A. Ali-Zade & O. I. Popova, 1967 † (unaccepted, junior subjective synonym)
  354. Species Mactra marcida A. Gould, 1850 (unaccepted)
  355. Species Mactra mariae A. Adams, 1856 (unaccepted, junior subjective synonym)
  356. Species Mactra markovae A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  357. Species Mactra marplatensis Doello-Jurado, 1949 (unaccepted > superseded combination)
  358. Species Mactra matthewsi Tate, 1889 (unaccepted)
  359. Species Mactra mendica A. Gould, 1851 (unaccepted, original combination)
  360. Species Mactra mera Reeve, 1854 (unaccepted)
  361. Species Mactra meretriciformis Reeve, 1854 (unaccepted)
  362. Species Mactra micronitida Cosel, 1995 (unaccepted)
  363. Species Mactra minerva A. A. Ali-Zade & O. I. Popova, 1967 † (unaccepted, junior subjective synonym)
  364. Species Mactra minutissima Montagu, 1808 (unaccepted)
  365. Species Mactra miserabilis Andrusov, 1902 † (unaccepted)
  366. Species Mactra modesta P. P. Carpenter, 1864 (unaccepted > superseded combination, original combination)
  367. Species Mactra modesta Zhizhchenko, 1934 † (unaccepted > junior homonym, A primary homonym of Mactra modesta P. P. Carpenter, 1864)
  368. Species Mactra mula Marwick, 1948 † (unaccepted, superseded combination)
  369. Species Mactra murchisoni Reeve, 1854 (unaccepted, superseded combination)
  370. Species Mactra murchisoni Deshayes, 1855 (unaccepted, synonym and homonym)
  371. Species Mactra nalivkini V. P. Kolesnikov, 1925 † (unaccepted > junior subjective synonym)
  372. Species Mactra nasuta A. Gould, 1851 (unaccepted, original combination)
  373. Species Mactra naviculata (Baily, 1858) † (unaccepted > junior subjective synonym)
  374. Species Mactra nazarlebi K. A. Ali-Zade, 1932 † (unaccepted)
  375. Species Mactra neapolitana Poli, 1791 (unaccepted)
  376. Species Mactra nebulosa Bory de Saint-Vincent, 1827 (unaccepted)
  377. Species Mactra nicobarica Gmelin, 1791 (unaccepted)
  378. Species Mactra nitida Gmelin, 1791 (unaccepted)
  379. Species Mactra nitida L. Spengler, 1802 (unaccepted, not an available name; available from Gmelin, 1791)
  380. Species Mactra nuttallii Reeve, 1854 (unaccepted)
  381. Species Mactra obesa Reeve, 1854 (unaccepted)
  382. Species Mactra oblonga Say, 1822 (unaccepted)
  383. Species Mactra ochracea E. von Martens, 1879 (unaccepted, junior synonym)
  384. Species Mactra opipara A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  385. Species Mactra opposita Deshayes, 1855 (unaccepted, synonym and homonym)
  386. Species Mactra ordinaria E. A. Smith, 1898 (unaccepted, superseded combination)
  387. Species Mactra ornata Gray, 1837 (unaccepted)
  388. Species Mactra ossoskovi Andrusov, 1902 † (unaccepted)
  389. Species Mactra ovalina Lamarck, 1818 (unaccepted, original combination)
  390. Species Mactra ovalina Lamarck, 1818, sensu E. A. Smith, 1914 (unaccepted > misapplication)
  391. Species Mactra ovalis J. Sowerby, 1817 † (unaccepted)
  392. Species Mactra ovalis A. Gould, 1840 (unaccepted, invalid: junior homonym of Mactra ovalis J. Sowerby, 1817; Mactra polynyma is a replacement name)
  393. Species Mactra ovata W. Wood, 1828 (unaccepted > junior subjective synonym)
  394. Species Mactra pacata A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  395. Species Mactra paitensis R. A. Philippi, 1893 (unaccepted)
  396. Species Mactra pallasi (Baily, 1858) † (unaccepted > superseded combination)
  397. Species Mactra pallida Broderip & G. B. Sowerby I, 1829 (unaccepted, original combination)
  398. Species Mactra papillata A. A. Ali-Zade, 1967 † (unaccepted, junior subjective synonym)
  399. Species Mactra papyracea Chemnitz, 1782 (unaccepted, unavailable name: published in a work rejected by ICZN Direction 1; available from Gmelin, 1791)
  400. Species Mactra papyracea Gmelin, 1791 (unaccepted > superseded combination)
  401. Species Mactra parameces Cossmann, 1886 † (unaccepted > superseded combination)
  402. Species Mactra parkesiana Hedley, 1902 (unaccepted, junior subjective synonym)
  403. Species Mactra paulucciae Locard, 1890 (unaccepted, unjustified emendation of paulucci Aradas & Benoit, 1872)
  404. Species Mactra pellicula Reeve, 1854 (unaccepted)
  405. Species Mactra pellicula Deshayes, 1855 (unaccepted, synonym and homonym)
  406. Species Mactra pellucida Gmelin, 1791 (unaccepted > superseded combination)
  407. Species Mactra pencana R. A. Philippi, 1893 (unaccepted)
  408. Species Mactra petitii A. d'Orbigny, 1841 (unaccepted > superseded combination)
  409. Species Mactra pinguis Crosse & P. Fischer, 1864 (unaccepted)
  410. Species Mactra piperata Poiret, 1789 (unaccepted)
  411. Species Mactra plana Belokrys, 1963 † (unaccepted > superseded combination)
  412. Species Mactra planata L. Spengler, 1802 (unaccepted > junior subjective synonym)
  413. Species Mactra planulata Conrad, 1837 (unaccepted)
  414. Species Mactra plicataria Linnaeus, 1767 (unaccepted)
  415. Species Mactra plicatilis Reeve, 1854 (unaccepted)
  416. Species Mactra plicatilis Deshayes, 1855 (unaccepted, synonym and homonym)
  417. Species Mactra podolica Eichwald, 1830 † (unaccepted > superseded combination)
  418. Species Mactra polita Reeve, 1854 (unaccepted > junior subjective synonym)
  419. Species Mactra polynyma W. Stimpson, 1860 (unaccepted > superseded combination)
  420. Species Mactra ponderosa R. A. Philippi, 1844 (unaccepted)
  421. Species Mactra ponderosa Conrad, 1830 † (unaccepted > junior homonym)
  422. Species Mactra portentosa A. A. Ali-Zade, 1967 † (unaccepted, junior subjective synonym)
  423. Species Mactra proaspersa Sacco, 1901 sensu Ardovini & al., 2004 (unaccepted)
  424. Species Mactra procera Dillwyn, 1817 (unaccepted > junior subjective synonym)
  425. Species Mactra pseudotellina (Andrusov, 1902) † (unaccepted > superseded combination)
  426. Species Mactra pulchra Gray, 1837 (unaccepted, junior synonym)
  427. Species Mactra pulla R. A. Philippi, 1849 (unaccepted > junior subjective synonym)
  428. Species Mactra pura Deshayes, 1854 (unaccepted, junior synonym and homonym)
  429. Species Mactra purpurea L. Spengler, 1802 (unaccepted)
  430. Species Mactra quasideltoides Bogachev, 1904 † (unaccepted > junior subjective synonym)
  431. Species Mactra quirosana H. Hodson, 1931 † (unaccepted > superseded combination)
  432. Species Mactra radiata L. Spengler, 1802 (unaccepted)
  433. Species Mactra radiata Donovan, 1803 (unaccepted)
  434. Species Mactra radiolata Reeve, 1854 (unaccepted)
  435. Species Mactra radiolata Deshayes, 1855 (unaccepted, synonym and homonym)
  436. Species Mactra raveneli Conrad, 1832 (unaccepted)
  437. Species Mactra recondita Deshayes, 1857 † (unaccepted > superseded combination)
  438. Species Mactra recurva W. Wood, 1828 (unaccepted)
  439. Species Mactra reevei Reeve, 1854 (unaccepted)
  440. Species Mactra reevesii J. E. Gray, 1837 (unaccepted, original combination)
  441. Species Mactra reticulata L. Spengler, 1802 (unaccepted)
  442. Species Mactra richmondi Dall, 1894 (unaccepted)
  443. Species Mactra rostralis Reeve, 1854 (unaccepted)
  444. Species Mactra rostralis Deshayes, 1855 (unaccepted, synonym and homonym)
  445. Species Mactra rostrata L. Spengler, 1802 (unaccepted)
  446. Species Mactra rostrata L. Spengler, 1802 sensu Reeve, 1854 (unaccepted, misapplication)
  447. Species Mactra rostrata R. A. Philippi, 1849 (unaccepted)
  448. Species Mactra rudis F. W. Hutton, 1873 † (unaccepted, junior subjective synonym)
  449. Species Mactra rufa Lamarck, 1818 (unaccepted)
  450. Species Mactra rufanensis W. H. Turton, 1932 (unaccepted, junior synonym)
  451. Species Mactra rufescens Lamarck, 1818 (unaccepted > superseded combination)
  452. Species Mactra rugata G. B. Sowerby I, 1846 † (unaccepted > superseded combination)
  453. Species Mactra rugifera Dunker, 1862 (unaccepted)
  454. Species Mactra rugosa Helbling, 1779 (unaccepted > superseded combination)
  455. Species Mactra sachalinensis Schrenck, 1861 (unaccepted > superseded combination)
  456. Species Mactra sanctiblasii Maury, 1925 (unaccepted)
  457. Species Mactra sauliae [sic] (unaccepted, incorrect subsequent spelling of sauliana Gray, 1838 in Reeve (1854) and subsequent authors)
  458. Species Mactra saulii [sic] (unaccepted, incorrect subsequent spelling by Hanley, 1843)
  459. Species Mactra scalpellum Reeve, 1854 (unaccepted, superseded combination)
  460. Species Mactra scalpellum Deshayes, 1855 (unaccepted, synonym and homonym)
  461. Species Mactra schirvanica Andrusov, 1905 † (unaccepted > superseded combination)
  462. Species Mactra seducta Kolesnikov, 1935 † (unaccepted > junior subjective synonym)
  463. Species Mactra semistriata Reeve, 1854 (unaccepted, junior synonym)
  464. Species Mactra semisulcata Reeve, 1854 (unaccepted > junior homonym, junior homonym of Mactra semisulcata Lamarck, 1805)
  465. Species Mactra semisulcata Lamarck, 1805 † (unaccepted > superseded combination)
  466. Species Mactra senegalensis R. A. Philippi, 1849 sensu Reeve, 1854 (unaccepted > misapplication)
  467. Species Mactra senegalensis R. A. Philippi, 1849 (unaccepted > junior subjective synonym)
  468. Species Mactra sericea Brusina, 1865 (unaccepted)
  469. Species Mactra sericea Deshayes, 1855 (unaccepted, synonym and homonym)
  470. Species Mactra setosa Quoy & Quimard, 1835 (unaccepted)
  471. Species Mactra sibyllae Valenciennes, 1858 (unaccepted, suppressed by ICZN Opinion 1366)
  472. Species Mactra silicula Deshayes, 1855 (unaccepted, junior primary homonym of Mactra silicula Reeve, 1854)
  473. Species Mactra silicula Reeve, 1854 (unaccepted)
  474. Species Mactra similis W. Wood, 1828 (unaccepted)
  475. Species Mactra similis Say, 1822 (unaccepted)
  476. Species Mactra sirena Brongniart, 1823 † (unaccepted > superseded combination)
  477. Species Mactra solida (Linnaeus, 1758) (unaccepted > superseded combination)
  478. Species Mactra solidissima Dillwyn, 1817 (unaccepted > superseded combination)
  479. Species Mactra spectabilis Lischke, 1871 (unaccepted)
  480. Species Mactra spengleri Linnaeus, 1767 (unaccepted)
  481. Species Mactra squalida Lamarck, 1818 (unaccepted)
  482. Species Mactra straminea Lamarck, 1818 (unaccepted)
  483. Species Mactra striata Gmelin, 1791 (unaccepted)
  484. Species Mactra striata Nyst, 1845 (unaccepted)
  485. Species Mactra striata T. Brown, 1827 (unaccepted)
  486. Species Mactra striata L. Spengler, 1802 (unaccepted > junior homonym, of Mactra striata Gmelin, 1791)
  487. Species Mactra striatella Lamarck, 1818 (unaccepted)
  488. Species Mactra striatula Linnaeus, 1767 (unaccepted)
  489. Species Mactra subalata Mörch, 1860 (unaccepted, original combination)
  490. Species Mactra subcaspia Andrusov, 1902 † (unaccepted)
  491. Species Mactra sublanceolata Deshayes, 1855 (unaccepted)
  492. Species Mactra subplicata Lamarck, 1818 (unaccepted)
  493. Species Mactra subplicata W. Wood, 1828 (unaccepted)
  494. Species Mactra subrostrata Reeve, 1854 (unaccepted)
  495. Species Mactra subtriangulata W. Wood, 1828 (unaccepted, superseded combination)
  496. Species Mactra subtrigona (S. V. Wood, 1841) (unaccepted)
  497. Species Mactra subtruncata (da Costa, 1778) (unaccepted)
  498. Species Mactra subvitaliana Kolesnikov, 1925 † (unaccepted > junior subjective synonym)
  499. Species Mactra sulcata Bory de Saint-Vincent, 1827 (unaccepted)
  500. Species Mactra sulcataria Reeve, 1854 (unaccepted)
  501. Species Mactra sulini A. A. Ali-Zade & Kabakova, 1967 † (unaccepted, junior subjective synonym)
  502. Species Mactra symmetrica Reeve, 1854 (unaccepted)
  503. Species Mactra symmetrica A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  504. Species Mactra tapesoides Sinzov, 1897 † (unaccepted > superseded combination)
  505. Species Mactra taprobanensis W. Wood, 1828 (unaccepted)
  506. Species Mactra taprobanensis Preston, 1904 (unaccepted > junior subjective synonym, preoccupied by Mactra taprobanensis Wood, 1828)
  507. Species Mactra tarda A. A. Ali-Zade & Kabakova, 1967 † (unaccepted, tentative junior subjective synonym)
  508. Species Mactra targioni Aradas & Benoit, 1872 (unaccepted)
  509. Species Mactra tellinoides Pulteney, 1799 (unaccepted)
  510. Species Mactra tellinoides Conrad, 1831 (unaccepted, invalid: junior homonym of Mactra tellinoides Pulteney, 1799)
  511. Species Mactra tenera W. Wood, 1828 (unaccepted)
  512. Species Mactra tenuis Montagu, 1803 (unaccepted)
  513. Species Mactra thracioides A. Adams & Reeve, 1850 (unaccepted > superseded combination)
  514. Species Mactra timida Zhizhchenko, 1934 † (unaccepted > superseded combination)
  515. Species Mactra transversa Reeve, 1854 (unaccepted)
  516. Species Mactra transversa Deshayes, 1855 (unaccepted, synonym and homonym)
  517. Species Mactra triangula Brocchi, 1814 (unaccepted)
  518. Species Mactra triangularis Montagu, 1803 (unaccepted)
  519. Species Mactra triangularis Lamarck, 1818 (unaccepted, Invalid: junior homonym of Mactra triangularis Montagu, 1803)
  520. Species Mactra trigonalis C. Moore, 1870 † (unaccepted > superseded combination)
  521. Species Mactra trigonella Lamarck, 1818 (unaccepted > superseded combination)
  522. Species Mactra tristis Deshayes, 1855 (unaccepted, synonym and homonym)
  523. Species Mactra tristis Reeve, 1854 (unaccepted, superseded combination)
  524. Species Mactra truncata Montagu, 1808 (unaccepted)
  525. Species Mactra tumida L. Spengler, 1802 (unaccepted > junior subjective synonym)
  526. Species Mactra turkmena A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  527. Species Mactra unicolor Bory de Saint-Vincent, 1827 (unaccepted)
  528. Species Mactra urupica V. P. Kolesnikov, 1925 † (unaccepted > superseded combination)
  529. Species Mactra uzboica A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  530. Species Mactra vanattae Pilsbry & H. N. Lowe, 1932 (unaccepted, junior synonym)
  531. Species Mactra velata R. A. Philippi, 1849 (unaccepted > superseded combination)
  532. Species Mactra veneriformis Reeve, 1854 (unaccepted)
  533. Species Mactra veneriformis W. Wood, 1828 (unaccepted > junior subjective synonym)
  534. Species Mactra venjukovi Andrusov, 1902 † (unaccepted)
  535. Species Mactra venusta A. A. Ali-Zade & Kabakova, 1967 † (unaccepted, tentative junior subjective synonym)
  536. Species Mactra vestae A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  537. Species Mactra virgo Reeve, 1854 (unaccepted)
  538. Species Mactra virgo Deshayes, 1855 (unaccepted, synonym and homonym)
  539. Species Mactra vitaliana A. d'Orbigny, 1845 † (unaccepted > superseded combination)
  540. Species Mactra vitrea L. Spengler, 1802 (unaccepted)
  541. Species Mactra vitrea Gray, 1837 (unaccepted, junior homonym of Mactra vitrea Spengler, 1802; Anatina grayi is a replacement name)
  542. Species Mactra vitrea Dillwyn, 1817 (unaccepted, The first author to make this name available (taken from Chemnitz, 1795, non-binomial) was Spengler (1802) id=540849, therefore Dillwyn is not deemed to have introduced a new name. (Gofas, Serge))
  543. Species Mactra vitrea Chemnitz, 1795 (unaccepted, unavailable name: published in a work rejected by ICZN direction 1; available from Spengler, 1802)
  544. Species Mactra williamsi Marwick, 1948 † (unaccepted, original combination)
  545. Species Mactra williamsi S. S. Berry, 1960 (unaccepted, invalid: junior homonym of Mactra williamsi Marwick, 1948)
  546. Species Mactra zellwegeri Jousseaume, 1894 (unaccepted, junior synonym)
  547. Species Mactra zhizhchenkoi A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  548. Species Mactra zonata Lischke, 1871 (unaccepted, junior subjective synonym)
  549. Species Mactra zorritensis E. T. Nelson, 1870 † (unaccepted > superseded combination)
  550. Subgenus Mactra (Coelomactra) Dall, 1895 (alternative representation)
    1. Species Mactra (Coelomactra) nasongoensis Ladd, 1934 † accepted as Coelomactra nasongoensis (Ladd, 1934) †
  551. Subgenus Mactra (Eomactra) Cossmann, 1909 † represented as Mactra Linnaeus, 1767
    1. Species Mactra (Eomactra) bajarunasi V. P. Kolesnikov, 1925 † represented as Mactra bajarunasi V. P. Kolesnikov, 1925 †
    2. Species Mactra (Eomactra) basteroti (Mayer-Eymar, 1853) † represented as Mactra basteroti Mayer, 1853 †
  552. Subgenus Mactra (Mactra) Linnaeus, 1767 represented as Mactra Linnaeus, 1767
    1. Species Mactra (Mactra) williamsi S. S. Berry, 1960 accepted as Spisula adamsi Olsson, 1961
    2. Species Mactra (Mactra) superstes Davitashvili, 1931 † represented as Mactra superstes Davitashvili, 1931 †
    3. Species Mactra (Mactra) westralis Lamprell & Whitehead, 1990 represented as Mactra westralis Lamprell & Whitehead, 1990
  553. Subgenus Mactra (Mactrella) J. E. Gray, 1853 represented as Mactrella J. E. Gray, 1853
    1. Species Mactra (Mactrella) alata (L. Spengler, 1802) accepted as Mactrellona alata (L. Spengler, 1802) (unaccepted > superseded combination)
    2. Species Mactra (Mactrella) darienensis Dall, 1898 † (uncertain > unassessed)
  554. Subgenus Mactra (Mactrinula) J. E. Gray, 1853 represented as Mactrinula J. E. Gray, 1853
    1. Species Mactra (Mactrinula) goniocyma Pilsbry & H. N. Lowe, 1932 accepted as Tumbeziconcha goniocyma (Pilsbry & H. N. Lowe, 1932) (unaccepted > superseded combination)
    2. Species Mactra (Mactrinula) janeiroensis E. A. Smith, 1915 accepted as Mactrotoma janeiroensis (E. A. Smith, 1915) (basionym)
  555. Subgenus Mactra (Nannomactra) Iredale, 1930 represented as Mactra Linnaeus, 1767
    1. Species Mactra (Nannomactra) pusilla A. Adams, 1856 accepted as Mactra pusilla A. Adams, 1856 (unaccepted > superseded combination)
    2. Species Mactra (Nannomactra) jacksonensis E. A. Smith, 1885 represented as Mactra jacksonensis E. A. Smith, 1885
  556. Species Mactra ambigua R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of M. araucana d'Orbigny, 1843)
  557. Species Mactra amphirrhyncha R. A. Philippi, 1887 † (uncertain > unassessed)
  558. Species Mactra apicina R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of M. apicina Reeve, 1854)
  559. Species Mactra arcuata J. Sowerby, 1817 † (uncertain > unassessed)
  560. Species Mactra auca A. d'Orbigny, 1843 † (uncertain > nomen dubium)
  561. Species Mactra biangulata R. A. Philippi, 1887 † (uncertain > unassessed)
  562. Species Mactra bignoniana A. d'Orbigny, 1845 † (uncertain > unassessed)
  563. Species Mactra bullata Deshayes, 1855 (uncertain > taxon inquirendum)
  564. Species Mactra carbonaria R. A. Philippi, 1887 † (uncertain > unassessed)
  565. Species Mactra carteroni A. d'Orbigny, 1845 † (uncertain > unassessed)
  566. Species Mactra cecillii R. A. Philippi, 1849 (uncertain > unassessed)
  567. Species Mactra chazarica A. A. Ali-Zade, 1967 † (uncertain > taxon inquirendum)
  568. Species Mactra chiliensis W. M. Gabb, 1861 † (uncertain > unassessed)
  569. Species Mactra chipolana Dall, 1898 † (uncertain > unassessed)
  570. Species Mactra colossea R. A. Philippi, 1887 † (uncertain > unassessed)
  571. Species Mactra conchae R. A. Philippi, 1887 † (uncertain > unassessed)
  572. Species Mactra corbicula R. A. Philippi, 1851 (uncertain > nomen dubium)
  573. Species Mactra cuadrae R. A. Philippi, 1887 † (uncertain > unassessed)
  574. Species Mactra cuneata J. Sowerby, 1817 † (uncertain > unassessed)
  575. Species Mactra decisa Conrad, 1833 † (uncertain > unassessed)
  576. Species Mactra diaphana Anton, 1837 (uncertain > taxon inquirendum)
  577. Species Mactra dorbignyi R. A. Philippi, 1887 † (uncertain > unassessed)
  578. Species Mactra dubia J. Sowerby, 1817 † (uncertain > unassessed)
  579. Species Mactra dubia R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of M. dubia Sowerby, 1817 and M. dubia d'Archiac, 1854)
  580. Species Mactra dubia d'Archiac, 1854 † (uncertain > unassessed)
  581. Species Mactra dupiniana A. d'Orbigny, 1845 † (uncertain > unassessed)
  582. Species Mactra excisa Anton, 1838 (uncertain, status in recent literature not researched by editor)
  583. Species Mactra ferrieri R. A. Philippi, 1887 † (uncertain > unassessed)
  584. Species Mactra funerata Conrad, 1847 † (uncertain > unassessed)
  585. Species Mactra gabbi R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of M. gabbi Tryon, 1870)
  586. Species Mactra ganae R. A. Philippi, 1887 † (uncertain > unassessed)
  587. Species Mactra gibbosa J. Sowerby, 1813 † (uncertain > unassessed)
  588. Species Mactra gigas Nowell-Usticke, 1969 (uncertain > unassessed)
  589. Species Mactra hualpensis R. A. Philippi, 1887 † (uncertain > unassessed)
  590. Species Mactra hyalina Brocchi, 1814 † (uncertain > unassessed)
  591. Species Mactra hybrida Dufour, 1881 † (uncertain > unassessed)
  592. Species Mactra ignobilis R. A. Philippi, 1887 † (uncertain > unassessed)
  593. Species Mactra incrassata Conrad, 1838 † (uncertain > unassessed)
  594. Species Mactra indistincta Ihering, 1897 † (uncertain > unassessed)
  595. Species Mactra involuta R. A. Philippi, 1887 † (uncertain > unassessed)
  596. Species Mactra lebuensis R. A. Philippi, 1887 † (uncertain > unassessed)
  597. Species Mactra lenos R. A. Philippi, 1887 † (uncertain > unassessed)
  598. Species Mactra lepida R. A. Philippi, 1887 † (uncertain > unassessed)
  599. Species Mactra matronensis A. d'Orbigny, 1845 † (uncertain > unassessed)
  600. Species Mactra medialis Conrad, 1863 † (uncertain > unassessed)
  601. Species Mactra medinae R. A. Philippi, 1887 † (uncertain > unassessed)
  602. Species Mactra mississippiensis Conrad, 1847 † (uncertain > unassessed)
  603. Species Mactra nesaea R. A. Philippi, 1887 † (uncertain > unassessed)
  604. Species Mactra nitida R. A. Philippi, 1887 (uncertain > unassessed, junior homonym of M. nitida Gmelin, 1798, and M. nitida Spengler, 1802)
  605. Species Mactra nucleus Conrad, 1831 (uncertain > nomen dubium)
  606. Species Mactra nucleus R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of M. nucleus Conrad, 1831)
  607. Species Mactra oblonga R. A. Philippi, 1887 † (uncertain > unassessed, junior primary homonym of Mactra oblonga Say, 1822)
  608. Species Mactra orthogonalis Dufour, 1881 † (uncertain > unassessed)
  609. Species Mactra ovallei R. A. Philippi, 1887 † (uncertain > nomen dubium)
  610. Species Mactra oxyrrhyncha R. A. Philippi, 1887 † (uncertain > unassessed)
  611. Species Mactra parilis Conrad, 1833 † (uncertain > unassessed)
  612. Species Mactra pertruncata Étallon, 1863 † (uncertain > unassessed)
  613. Species Mactra pinguis R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of M. pinguis Crosse & Fischer, 1864)
  614. Species Mactra plebeja R. A. Philippi, 1887 † (uncertain > unassessed)
  615. Species Mactra praetenuis Conrad, 1833 † (uncertain > unassessed)
  616. Species Mactra pusilla R. A. Philippi, 1887 † (uncertain > unassessed, junior primary homonym of Mactra pusilla A. Adams, 1856)
  617. Species Mactra quiriquinae R. A. Philippi, 1887 † (uncertain > unassessed)
  618. Species Mactra radiosa R. P. Lesson, 1831 (uncertain > unassessed)
  619. Species Mactra remondi R. A. Philippi, 1887 † (uncertain > unassessed)
  620. Species Mactra sagei R. A. Philippi, 1887 † (uncertain > unassessed)
  621. Species Mactra sapientium Contejean, 1860 † (uncertain > unassessed)
  622. Species Mactra scolia R. A. Philippi, 1887 † (uncertain > unassessed)
  623. Species Mactra similis G. B. Sowerby I, 1839 (uncertain > taxon inquirendum, preoccupied)
  624. Species Mactra simplex R. A. Philippi, 1887 † (uncertain > unassessed)
  625. Species Mactra splendidula R. A. Philippi, 1887 † (uncertain > unassessed)
  626. Species Mactra steinmanni R. A. Philippi, 1887 † (uncertain > unassessed)
  627. Species Mactra subangulata R. A. Philippi, 1887 † (uncertain > unassessed)
  628. Species Mactra subcuneata Conrad, 1838 † (uncertain > unassessed)
  629. Species Mactra subovatina Guppy, 1867 † (uncertain > unassessed)
  630. Species Mactra sulcata R. A. Philippi, 1887 † (uncertain > unassessed, junior primary homonym of Mactra sulcata Bory de Saint-Vincent, 1827)
  631. Species Mactra tenuis R. A. Philippi, 1857 † (uncertain > unassessed, junior homonym of M. tenuis Montagu, 1803)
  632. Species Mactra texana Conrad, 1855 † (uncertain > unassessed)
  633. Species Mactra triangulare Hector, 1870 (uncertain > nomen dubium, Not Mactra triangularis Montagu, 1803 (homonym))
  634. Species Mactra trigona Anton, 1838 (uncertain, status in recent literature not researched by editor)
  635. Species Mactra trigona Zieten, 1833 † (uncertain > unassessed)
  636. Species Mactra tripartita G. B. Sowerby I, 1846 † (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
  637. Species Mactra truncata Contejean, 1860 † (uncertain > unassessed, junior homonym of Mactra truncata Montagu, 1808)
  638. Species Mactra truncatula R. A. Philippi, 1887 † (uncertain > unassessed)
  639. Species Mactra tumida R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of M tumida Spengler, 1802)
  640. Species Mactra turonica M. Hörnes, 1859 † (uncertain > unassessed)
  641. Species Mactra vaga R. A. Philippi, 1887 † (uncertain > unassessed)
  642. Species Mactra valdiviana R. A. Philippi, 1887 † (uncertain > unassessed)
  643. Species Mactra varians R. A. Philippi, 1887 † (uncertain > unassessed)
  644. Species Mactra vicentina R. A. Philippi, 1887 † (uncertain > unassessed)
  645. Species Mactra vidali R. A. Philippi, 1887 † (uncertain > unassessed)
  646. Species Mactra zwingeri Thurmann, 1863 † (uncertain > unassessed)
marine, brackish, fresh, terrestrial
recent + fossil
feminine
Linnaeus, C. (1767). Systema naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Ed. 12. 1., Regnum Animale. 1 & 2. [The system of nature through the three kingdoms of nature: according to classes, orders, genera, species, with characters, differences, synonyms, places. Ed. 12. 1., Animal Kingdom. 1 & 2]. <em>Holmiae [Stockholm], Laurentii Salvii.</em> pp. 1-532 [1766] pp. 533-1327 [1767]., available online at http://www.biodiversitylibrary.org/item/83650#5 [details] OpenAccess publication
Nomenclature The official list of names in zoology(ICZN) includes the following entry:
Mactra Linnaeus, 1767, Systema Naturae, Ed. 12,...  
Nomenclature The official list of names in zoology(ICZN) includes the following entry:
Mactra Linnaeus, 1767, Systema Naturae, Ed. 12, vol. 1, part 2, p. 1125 (gender: feminine) (type species, by designation by Gray, 1847 (Proc. zool. Soc. London, 15: 185): Cardium stultorum Linnaeus, 1758, Systema Naturae, Ed. 10, vol. 1, p. 681) (Bivalvia). Op. 94, Direction 72 [1957].
Keen (in Moore, 1969, Treatise on Invertebrate Paleontology p. N595) mentions an ealier designation of Cardium stultorum as the type species of Mactra.  [details]
MolluscaBase eds. (2025). MolluscaBase. Mactra Linnaeus, 1767. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=138158 on 2025-09-10
Date
action
by
2004-12-21 15:54:05Z
created
Gofas, Serge
2012-03-09 11:53:15Z
changed
Bouchet, Philippe
2012-03-31 12:25:37Z
changed
Gofas, Serge
2017-11-14 17:01:17Z
changed
Gofas, Serge
2019-07-26 01:12:07Z
changed
Marshall, Bruce
2023-01-26 09:30:58Z
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Vinarski, Maxim

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original description Linnaeus, C. (1767). Systema naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Ed. 12. 1., Regnum Animale. 1 & 2. [The system of nature through the three kingdoms of nature: according to classes, orders, genera, species, with characters, differences, synonyms, places. Ed. 12. 1., Animal Kingdom. 1 & 2]. <em>Holmiae [Stockholm], Laurentii Salvii.</em> pp. 1-532 [1766] pp. 533-1327 [1767]., available online at http://www.biodiversitylibrary.org/item/83650#5 [details] OpenAccess publication

original description (of Colorimactra Iredale, 1929) Iredale, T. (1929). Queensland molluscan notes, No. 1. <em>Memoirs of the Queensland Museum.</em> 9(3): 261-297, pls 30-31 [29 June 1929]., available online at https://www.biodiversitylibrary.org/page/52430219
page(s): 268 [details] 

original description (of Trigonella da Costa, 1778) Da Costa, E. M. (1778). <i>Historia naturalis testaceorum Britanniæ, or, the British conchology</i>; containing the descriptions and other particulars of natural history of the shells of Great Britain and Ireland: illustrated with figures. In English and French. - Historia naturalis testaceorum Britanniæ, ou, la conchologie Britannique; contenant les descriptions & autres particularités d'histoire naturelle des coquilles de la Grande Bretagne & de l'Irlande: avec figures en taille douce. En anglois & françois. i-xii, 1-254, i-vii, [1], Pl. I-XVII. London. (Millan, White, Emsley & Robson). , available online at https://www.biodiversitylibrary.org/page/13116783
page(s): 196. [details] OpenAccess publication

original description (of Telemactra Iredale, 1929) Iredale, T. (1929). Queensland molluscan notes, No. 1. <em>Memoirs of the Queensland Museum.</em> 9(3): 261-297, pls 30-31 [29 June 1929]., available online at https://www.biodiversitylibrary.org/page/52430219
page(s): 268 [details] 

original description (of Nannomactra Iredale, 1930) Iredale, T. (1930). More notes on the marine Mollusca of New South Wales. <em>Records of the Australian Museum.</em> 17(9): 384-407, pls 62-65. [Published 27 June 1930]., available online at http://australianmuseum.net.au/Uploads/Journals/17186/773_complete.pdf
page(s): 400, 407 [details] 

original description (of Mactra (Eomactra) Cossmann, 1909 †) Cossmann M. & Peyrot A. (1909). <i>Conchologie néogénique de l'Aquitaine. Pélécypodes</i>. 2 volumes. Bordeaux: A. Saugnac. Published in parallel in <i>Actes de la Société Linnéenne de Bordeaux</i>. [Publication dates after Lozouet & Lesport, 1994, <i>Cossmanniana</i> 3(1): 9–12]. Tome 1: pp. 1–220, pls 1–7 [18 December 1909]; = <i>Actes</i>, 63(2): 72–144, pls 1–4 [October 5, 1909]; <i>Actes</i>, 63(3): 145–232, pls 5–7 [13 November 1909]; <i>Actes</i>, 63(4): 233–293 [18 December 1909]. , available online at https://www.biodiversitylibrary.org/page/59185058
page(s): 63: 241 [details] 

basis of record Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. <em>Patrimoines Naturels.</em> 50: 180-213., available online at http://www.vliz.be/imisdocs/publications/ocrd/254404.pdf [details] 

additional source Kondo, Y.; Yokogawa, K.; Shiratsuchi, T. (2001). Substrate Preferences and Burrowing Ability of Donacidae and Mesodesmatidae (Bivalvia) on Beaches of Southwest Japan. <em>Venus (Journal of the Malacological Society of Japan).</em> 60 (1-2): 57-69. [details] Available for editors  PDF available [request]

additional source Vaught, K.C.; Abbott, R.T.; Boss, K.J. (1989). A classification of the living Mollusca. American Malacologists: Melbourne. ISBN 0-915826-22-4. XII, 195 pp. (look up in IMIS) [details] Available for editors  PDF available [request]
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
From editor or global species database
Nomenclature The official list of names in zoology(ICZN) includes the following entry:
Mactra Linnaeus, 1767, Systema Naturae, Ed. 12, vol. 1, part 2, p. 1125 (gender: feminine) (type species, by designation by Gray, 1847 (Proc. zool. Soc. London, 15: 185): Cardium stultorum Linnaeus, 1758, Systema Naturae, Ed. 10, vol. 1, p. 681) (Bivalvia). Op. 94, Direction 72 [1957].
Keen (in Moore, 1969, Treatise on Invertebrate Paleontology p. N595) mentions an ealier designation of Cardium stultorum as the type species of Mactra.  [details]
    Definitions

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LanguageName 
English fenugreeks [from synonym]  [details]
Norwegian Bokmål hornkløverslekta [from synonym]  [details]
Norwegian Nynorsk hornkløverslekta [from synonym]  [details]
Swedish trigonellor [from synonym]  [details]
To ITIS
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