1. Subgenus Modiola (Amygdalum) Megerle von Mühlfeld, 1811 accepted as Amygdalum Megerle von Mühlfeld, 1811
   1. Species Modiola (Amygdalum) barbatiaeformis K. Martin, 1916 † accepted as Amygdalum barbatiaeforme (K. Martin, 1916) †
   2. Species Modiola (Amygdalum) progoensis K. Martin, 1916 † accepted as Amygdalum progoense (K. Martin, 1916) †
2. Subgenus Modiola (Arcuatula) Jousseaume, 1919 accepted as Arcuatula Jousseaume, 1919 (unaccepted > superseded combination)
3. Subgenus Modiola (Botula) Mörch, 1853 accepted as Botula Mörch, 1853 (unaccepted > superseded combination)
   1. Species Modiola (Botula) aestuaria (E. von Martens & Thiele, 1908) accepted as Botula aestuaria (E. von Martens & Thiele, 1908) (unaccepted > superseded combination)
4. Subgenus Modiola (Brachydontes) [sic] accepted as Brachidontes Swainson, 1840 (unaccepted > superseded rank, misspelling)
   1. Species Modiola (Brachydontes) compressula E. von Martens & Thiele, 1908 accepted as Brachidontes pharaonis (P. Fischer, 1870) (unaccepted > junior subjective synonym)
   2. Species Modiola (Brachydontes) toechophora O. Boettger, 1883 † accepted as Brachidontes toechophora (O. Boettger, 1883) † (superseded combination)
5. Subgenus Modiola (Crenella) T. Brown, 1827 accepted as Crenella T. Brown, 1827
   1. Species Modiola (Crenella) fuchsi Sinzov, 1875 † accepted as Musculus fuchsi (Sinzov, 1875) † (unaccepted > superseded combination)
6. Subgenus Modiola (Fulgida) Jousseaume, 1919 accepted as Fulgida Jousseaume, 1919 accepted as Lioberus Dall, 1898 (unaccepted > superseded combination)
7. Subgenus Modiola (Gibbomodiola) Sacco, 1898 † accepted as Modiolus Lamarck, 1799 (junior subjective synonym)
   1. Species Modiola (Gibbomodiola) taurarcuata Sacco, 1898 † accepted as Gibbomodiola taurarcuata (Sacco, 1898) † (basionym)
8. Subgenus Modiola (Lithophaga) Röding, 1798 accepted as Lithophaga Röding, 1798
   1. Species Modiola (Lithophaga) schmidtii Schrenck, 1867 accepted as Adula schmidtii (Schrenck, 1867) (basionym)
9. Subgenus Modiola (Modiola) Lamarck, 1801 accepted as Modiola Lamarck, 1801 accepted as Modiolus Lamarck, 1799 (unaccepted > superseded rank)
   1. Species Modiola (Modiola) incompta Kharatishvili, 1952 † accepted as Modiolus intermedius Foresti, 1874 † (unaccepted > junior subjective synonym)
   2. Species Modiola (Modiola) katscharavai Kharatishvili, 1952 † accepted as Modiolus katscharavai Kharatishvili, 1952 † (unaccepted > superseded combination)
10. Subgenus Modiola (Modiolarca) J. E. Gray, 1842 accepted as Musculus Röding, 1798 (unaccepted > junior subjective synonym)
    1. Species Modiola (Modiolarca) pelagica Forbes, 1854 accepted as Adipicola pelagica (Forbes, 1854) (unaccepted > superseded combination)
11. Subgenus Modiola (Modiolaria) Lovén, 1846 accepted as Musculus Röding, 1798 (unaccepted > junior subjective synonym)
    1. Species Modiola (Modiolaria) saucatsensis (Cossmann, 1914) † accepted as Musculus saucatsensis (Cossmann, 1914) † (unaccepted > superseded combination)
12. Subgenus Modiola (Modiolula) Sacco, 1898 accepted as Modiolula Sacco, 1898 (original rank)
13. Species Modiola abscondita Aradas, 1847 accepted as Lioberus agglutinans (Cantraine, 1835)
14. Species Modiola adelaidensis Tate, 1886 † accepted as Modiolus adelaidensis Tate, 1886 †
15. Species Modiola adriatica Lamarck, 1819 accepted as Modiolus adriaticus Lamarck, 1819
16. Species Modiola aestuaria E. von Martens & Thiele, 1908 accepted as Botula aestuaria (E. von Martens & Thiele, 1908) (unaccepted > superseded combination)
17. Species Modiola affinis K. Martin, 1879 † accepted as Modiolus affinis (K. Martin, 1879) † accepted as Lithophaga affinis (K. Martin, 1879) †
18. Species Modiola alaeformis J. Sowerby, 1819 † accepted as Gervillaria alaeformis (J. Sowerby, 1819) † (unaccepted > superseded combination)
19. Species Modiola albicosta Lamarck, 1819 accepted as Gibbomodiola albicosta (Lamarck, 1819) accepted as Modiolus albicosta Lamarck, 1819
20. Species Modiola amaura Cossmann, 1892 † accepted as Modiolus amaurus Cossmann, 1892 † (unaccepted > superseded combination)
21. Species Modiola ambigua Deshayes, 1858 † accepted as Brachidontes ambiguus (Deshayes, 1858) † (unaccepted > superseded combination)
22. Species Modiola americana Leach, 1815 accepted as Modiolus americanus Leach, 1815
23. Species Modiola angasi Clessin, 1889 accepted as Xenostrobus inconstans (Dunker, 1856)
24. Species Modiola angularis Deshayes, 1830 † accepted as Semimodiola angularis (Deshayes, 1830) † (unaccepted > superseded combination)
25. Species Modiola angusta Clessin, 1890 accepted as Arcuatula perfragilis (Dunker, 1857) (unaccepted > junior homonym, junior homonym of Modiola angusta Deshayes, 1830)
26. Species Modiola angusta Deshayes, 1830 † accepted as Solemya angusta (Deshayes, 1830) † (unaccepted > superseded combination)
27. Species Modiola antarctica R. A. Philippi, 1868 accepted as Philobrya antarctica (R. A. Philippi, 1868) (unaccepted > superseded combination)
28. Species Modiola antillarum R. A. Philippi, 1847 accepted as Lithophaga nigra (A. d'Orbigny, 1853) (unaccepted > nomen oblitum, declared nomen oblitum by Mikkelsen & Bieler (2007))
29. Species Modiola appendiculata R. A. Philippi, 1846 accepted as Leiosolenus bisulcatus (A. d'Orbigny, 1853) (unaccepted > nomen oblitum, declared nomen oblitum by Mikkelsen & Bieler (2007))
30. Species Modiola aquarius Grabau & S. G. King, 1928 accepted as Arcuatula senhousia (W. H. Benson, 1842)
31. Species Modiola arctica Leach, 1819 accepted as Arvella faba (O. F. Müller, 1776) (unaccepted > junior subjective synonym)
32. Species Modiola arcuata Dufo, 1840 accepted as Botula cinnamomea (Gmelin, 1791) (unaccepted > junior homonym, junior homonym of Modiola arcuata Lamarck, 1807)
33. Species Modiola arcuata Lamarck, 1807 † accepted as Hindsiella arcuata (Lamarck, 1807) † (unaccepted > superseded combination)
34. Species Modiola arcuatula Hanley, 1844 accepted as Arcuatula arcuatula (Hanley, 1844) (unaccepted > superseded combination)
35. Species Modiola arealis (Menke, 1830) accepted as Musculus lateralis (Say, 1822)
36. Species Modiola arenularia de Raincourt & Munier-Chalmas, 1863 † accepted as Musculus arenularius (de Raincourt & Munier-Chalmas, 1863) † (unaccepted > superseded combination)
37. Species Modiola argentina Deshayes, 1823 † accepted as Botula argentina (Deshayes, 1823) † (unaccepted > superseded combination)
38. Species Modiola asperula S. V. Wood, 1856 accepted as Rhomboidella prideauxi (Leach, 1815)
39. Species Modiola aterrima Dall, 1871 accepted as Vignadula atrata (Lischke, 1871) (junior synonym)
40. Species Modiola attenuata Deshayes, 1836 accepted as Leiosolenus attenuatus (Deshayes, 1836) (original combination)
41. Species Modiola auriculata Krauss, 1848 accepted as Modiolus auriculatus Krauss, 1848 (superseded combination)
42. Species Modiola australis Reeve, 1857 accepted as Modiolus cochlear (Menke, 1848) (invalid: junior homonym of Modiola australis Gray, 1826)
43. Species Modiola australis J. E. Gray, 1826 accepted as Modiolus areolatus (A. Gould, 1850) (unaccepted > junior subjective synonym)
44. Species Modiola balli T. Brown, 1844 accepted as Lioberus agglutinans (Cantraine, 1835) (dubious synonym)
45. Species Modiola ballii T. Brown, 1844 accepted as Lioberus agglutinans (Cantraine, 1835)
46. Species Modiola balongensis K. Martin, 1931 † accepted as Modiolus balongensis K. Martin, 1931 †
47. Species Modiola barbata (Linnaeus, 1758) accepted as Modiolus barbatus (Linnaeus, 1758)
48. Species Modiola bellardiana Tapparone Canefri, 1874 accepted as Arcuatula senhousia (W. H. Benson, 1842) (junior subjective synonym)
49. Species Modiola bernayi Deshayes, 1858 † accepted as Musculus bernayi (Deshayes, 1858) † (unaccepted > superseded combination)
50. Species Modiola biformis Reuss, 1860 † accepted as Musculus biformis (Reuss, 1860) † (unaccepted > superseded combination)
51. Species Modiola bipartita J. Sowerby, 1818 † accepted as Modiolus (Modiolus) bipartitus J. Sowerby, 1818 † represented as Modiolus bipartitus J. Sowerby, 1818 † (unaccepted > superseded combination)
52. Species Modiola biradiata Hanley, 1843 accepted as Modiolus biradiatus Hanley, 1843
53. Species Modiola brasiliensis Gray, 1825 accepted as Mytella brasiliensis (Gray, 1825)
54. Species Modiola brauni Cossmann & Lambert, 1884 † accepted as Paramusculus brauni (Cossmann & Lambert, 1884) † (unaccepted > superseded combination)
55. Species Modiola brevis Deshayes, 1858 † accepted as Arcoperna brevis (Deshayes, 1858) † (unaccepted > superseded combination)
56. Species Modiola brocchii Mayer, 1867 † accepted as Modiolus brocchii Mayer, 1867 † (unaccepted > superseded combination)
57. Species Modiola buglovensis Gatuev, 1916 † accepted as Mytilaster volhynicus buglovensis (Gatuev, 1916) † (unaccepted > superseded combination)
58. Species Modiola californiensis R. A. Philippi, 1847 accepted as Adula californiensis (R. A. Philippi, 1847) (unaccepted > superseded combination)
59. Species Modiola cambodjensis Clessin, 1889 accepted as Limnoperna fortunei (Dunker, 1857)
60. Species Modiola canaliferus Hanley, 1843 accepted as Leiosolenus canaliferus (Hanley, 1843) (original combination)
61. Species Modiola capax Conrad, 1837 accepted as Modiolus capax Conrad, 1837
62. Species Modiola capensis Krauss, 1848 accepted as Arcuatula capensis (Krauss, 1848) (original combination)
63. Species Modiola capillaris Deshayes, 1858 † accepted as Arcoperna capillaris (Deshayes, 1858) † (unaccepted > superseded combination)
64. Species Modiola caribaea R. A. Philippi, 1847 accepted as Lithophaga nigra (A. d'Orbigny, 1853) (unaccepted > nomen oblitum, declared nomen oblitum by Mikkelsen & Bieler (2007))
65. Species Modiola carinata J. De C. Sowerby, 1840 † accepted as Naiadites carinatus (J. De C. Sowerby, 1840) † (unaccepted > superseded combination)
66. Species Modiola carlotae F. Roemer, 1870 † accepted as Anthracomya minima (Ludwig, 1860) † accepted as Curvirimula belgica (Hind, 1912) † (unaccepted > junior subjective synonym)
67. Species Modiola castanea Say, 1822 accepted as Lioberus castanea (Say, 1822)
68. Species Modiola caudigera Lamarck, 1819 accepted as Leiosolenus aristatus (Dillwyn, 1817)
69. Species Modiola cecillii R. A. Philippi, 1847 accepted as Modiolus cecillii R. A. Philippi, 1847 (unaccepted > superseded combination)
70. Species Modiola celator Preston, 1911 accepted as Byssogerdius striatulus (Hanley, 1843) (unaccepted > junior subjective synonym)
71. Species Modiola chemnitzii Potiez & Michaud, 1844 accepted as Brachidontes modiolus (Linnaeus, 1767)
72. Species Modiola cicercula Møller, 1842 accepted as Crenella decussata (Montagu, 1808)
73. Species Modiola cinnamomea Lamarck, 1819 accepted as Botula cinnamomea (Gmelin, 1791) (unaccepted > junior homonym, of Mytilus cinnamomea (Gmelin, 1791))
74. Species Modiola cochinensis Preston, 1909 accepted as Parabrachidontes cochinensis (Preston, 1909) (unaccepted > superseded combination)
75. Species Modiola compressula E. von Martens & Thiele, 1908 accepted as Brachidontes pharaonis (P. Fischer, 1870) (unaccepted > junior subjective synonym)
76. Species Modiola compsa Cossmann, 1892 † accepted as Brachidontes compsus (Cossmann, 1892) † (unaccepted > superseded combination)
77. Species Modiola condita Hörnes, 1867 † accepted as Musculus conditus (Hörnes, 1867) † (unaccepted > superseded combination)
78. Species Modiola contorta Borchert, 1901 † accepted as Diplodon fraus Ihering, 1907 †
79. Species Modiola cordata Lamarck, 1807 † accepted as Botula cordata (Lamarck, 1807) † (unaccepted > superseded combination)
80. Species Modiola corrugata R. A. Philippi, 1846 accepted as Lithophaga antillarum (A. d'Orbigny, 1853) (unaccepted > nomen oblitum, declared nomen oblitum by Mikkelsen & Bieler (2007))
81. Species Modiola costulata R. A. Philippi, 1836 accepted as Gregariella petagnae (Scacchi, 1832)
82. Species Modiola crenella Deshayes, 1858 † accepted as Brachidontes crenella (Deshayes, 1858) † (unaccepted > superseded combination)
83. Species Modiola cultellus Deshayes, 1839 accepted as Musculus niger (J. E. Gray, 1824)
84. Species Modiola cumingiana Reeve, 1857 accepted as Musculus cumingianus (Reeve, 1857) (superseded combination)
85. Species Modiola cuneiformis Hanley, 1843 accepted as Jolya elongata (Swainson, 1821)
86. Species Modiola cuprea Jeffreys, 1859 accepted as Lissarca miliaris (R. A. Philippi, 1845)
87. Species Modiola curtata T. Brown, 1849 † accepted as Anthraconaia curtata (T. Brown, 1849) † (unaccepted > superseded combination)
88. Species Modiola cylindrica Krauss, 1848 accepted as Lithophaga cylindrica (Krauss, 1848) (original combination)
89. Species Modiola cymbula Preston, 1908 accepted as Modiolus auriculatus Krauss, 1848 (junior subjective synonym)
90. Species Modiola denysiana (A. d'Orbigny, 1844) † accepted as Musculus denisianus (A. d'Orbigny, 1844) † (unaccepted > superseded combination)
91. Species Modiola difficilis Deshayes, 1863 accepted as Gregariella difficilis (Deshayes, 1863) (unaccepted > superseded combination)
92. Species Modiola discors Lamarck, 1819 accepted as Musculus impactus (Hermann, 1782) (junior subjective synonym)
93. Species Modiola discrepans Lamarck, 1819 accepted as Musculus subpictus (Cantraine, 1835)
94. Species Modiola divaricata R. A. Philippi, 1847 accepted as Gregariella coralliophaga (Gmelin, 1791) (unaccepted > junior subjective synonym)
95. Species Modiola dolabrata Deshayes, 1858 † accepted as Modiolus dolabratus Deshayes, 1858 † (unaccepted > superseded combination)
96. Species Modiola elegans J. E. Gray, 1828 accepted as Arcuatula elegans (Gray, 1828)
97. Species Modiola elliptica H. C. Lea, 1842 accepted as Musculus lateralis (Say, 1822) (junior synonym)
98. Species Modiola elongata Swainson, 1821 sensu Hanley, 1856 accepted as Jolya rhomboidea (Reeve, 1857)
99. Species Modiola elongata Swainson, 1821 accepted as Jolya elongata (Swainson, 1821) (unaccepted > superseded combination)
100. Species Modiola emarginatus Reeve, 1858 accepted as Byssogerdius striatulus (Hanley, 1843)
101. Species Modiola europea Weinkauff, 1867 accepted as Musculus subpictus (Cantraine, 1835)
102. Species Modiola evansi E. A. Smith, 1903 accepted as Parabrachidontes leucostictus (E. von Martens, 1897) (unaccepted > junior subjective synonym)
103. Species Modiola excavata de Folin, 1867 accepted as Leiosolenus aristatus (Dillwyn, 1817)
104. Species Modiola favannii Potiez & Michaud, 1844 accepted as Botula cinnamomea (Gmelin, 1791)
105. Species Modiola ferruginea R. A. Philippi, 1847 accepted as Lithophaga antillarum (A. d'Orbigny, 1853) (unaccepted > junior subjective synonym)
106. Species Modiola flemischi K. Martin, 1933 † accepted as Modiolus flemischi K. Martin, 1933 †
107. Species Modiola fluviatilis F. W. Hutton, 1878 accepted as Xenostrobus securis (Lamarck, 1819) (junior subjective synonym)
108. Species Modiola fornicata P. P. Carpenter, 1864 accepted as Modiolus carpenteri Soot-Ryen, 1963
109. Species Modiola fuchsi Sinzov, 1875 † accepted as Musculus fuchsi (Sinzov, 1875) † (unaccepted > superseded combination)
110. Species Modiola fuchsiformis Pană, 1962 † (unaccepted, subjective synonym)
111. Species Modiola funata T. Brown, 1849 † (unaccepted > superseded combination)
112. Species Modiola gallica Dautzenberg, 1895 (unaccepted)
113. Species Modiola gibberula Cailliaud, 1865 (unaccepted)
114. Species Modiola gibbsii Leach, 1815 (unaccepted)
115. Species Modiola gigantea Clessin, 1889 (unaccepted)
116. Species Modiola glandula Totten, 1834 (unaccepted)
117. Species Modiola gracilis R. A. Philippi, 1847 (unaccepted > junior subjective synonym)
118. Species Modiola grandis R. A. Philippi, 1844 (unaccepted)
119. Species Modiola granolirata G. B. Sowerby III, 1909 (unaccepted)
120. Species Modiola gruneri R. A. Philippi, 1851 (unaccepted > superseded combination)
121. Species Modiola guyanensis Lamarck, 1819 (unaccepted, original combination)
122. Species Modiola hanleyi Dunker, 1882 (unaccepted)
123. Species Modiola hastata Deshayes, 1830 † (unaccepted > superseded combination)
124. Species Modiola hoernesi Reuss, 1867 † (unaccepted > superseded combination)
125. Species Modiola houstonia G. D. Harris, 1895 † (unaccepted > superseded combination)
126. Species Modiola huttoni Cossmann, 1916 (unaccepted)
127. Species Modiola imberbis Brusina, 1866 (unaccepted)
128. Species Modiola incrassata (A. d'Orbigny, 1844) † (unaccepted > superseded combination)
129. Species Modiola interjecta Deshayes, 1858 † (unaccepted > superseded combination)
130. Species Modiola intermedia Foresti, 1874 † (unaccepted > superseded combination)
131. Species Modiola javana K. Martin, 1879 † (unaccepted)
132. Species Modiola kaikourensis H. Woods, 1917 † (unaccepted)
133. Species Modiola kolesnikovi Liverovskaya, 1935 † (unaccepted > superseded combination)
134. Species Modiola lacustris E. von Martens, 1875 (unaccepted > junior subjective synonym)
135. Species Modiola laevigata J. E. Gray, 1824 (unaccepted)
136. Species Modiola laevis Danilo & Sandri, 1856 (unaccepted)
137. Species Modiola lamarckiana Locard, 1886 (unaccepted)
138. Species Modiola lepida R. A. Philippi, 1893 (unaccepted)
139. Species Modiola leucosticta E. von Martens, 1897 (unaccepted > superseded combination)
140. Species Modiola lignea Reeve, 1858 (unaccepted, original combination)
141. Species Modiola linea Hedley, 1907 (unaccepted, superseded combination)
142. Species Modiola lineata J. De C. Sowerby, 1836 † (unaccepted, original combination)
143. Species Modiola lulat Dautzenberg, 1891 (unaccepted)
144. Species Modiola lutea P. Fischer, 1882 (unaccepted > junior subjective synonym)
145. Species Modiola magellanica Reeve, 1857 (unaccepted)
146. Species Modiola major Gabb, 1869 † (unaccepted, original combination)
147. Species Modiola malayana R. A. Philippi, 1847 (unaccepted > junior subjective synonym)
148. Species Modiola marginata Eichwald, 1830 † (unaccepted > superseded combination)
149. Species Modiola martensi Ihering, 1897 (unaccepted)
150. Species Modiola martini Schepman, 1907 † (unaccepted)
151. Species Modiola martorelli Hidalgo, 1877 (unaccepted)
152. Species Modiola metcalfei Hanley, 1843 (unaccepted)
153. Species Modiola microptera Deshayes, 1836 (unaccepted)
154. Species Modiola modiolus (Linnaeus, 1758) (unaccepted)
155. Species Modiola mucronata R. A. Philippi, 1846 (unaccepted > superseded combination)
156. Species Modiola multicostata (Gatuev, 1916) † (unaccepted > junior subjective synonym)
157. Species Modiola mytiloides Locard, 1888 (unaccepted)
158. Species Modiola nasuta R. A. Philippi, 1846 (unaccepted > superseded combination)
159. Species Modiola naviculoides Kolesnikov, 1935 † (unaccepted > superseded rank)
160. Species Modiola nebulosa Tenison Woods, 1877 (unaccepted)
161. Species Modiola nexa A. Gould, 1841 (unaccepted)
162. Species Modiola nigra J. E. Gray, 1824 (unaccepted, original combination)
163. Species Modiola nitida Reeve, 1857 (unaccepted)
164. Species Modiola obesa R. A. Philippi, 1847 (unaccepted > superseded combination)
165. Species Modiola ocrophaia Cossmann, 1887 † (unaccepted > superseded combination)
166. Species Modiola ovalis G. B. Sowerby II, 1859 (unaccepted)
167. Species Modiola ovata Clessin, 1889 (unaccepted)
168. Species Modiola paeteliana Clessin, 1887 (unaccepted)
169. Species Modiola papuana Lamarck, 1801 (unaccepted)
170. Species Modiola papyracea Deshayes, 1824 † (unaccepted > superseded combination)
171. Species Modiola papyria Conrad, 1846 (unaccepted)
172. Species Modiola parasitica Deshayes, 1863 (unaccepted, Invalid: junior homonym of Modiola parasitica Eudes-Deslongchamps, 1838; Adula kleemanni is a replacement name)
173. Species Modiola patagonica Hanley, 1843 (unaccepted, original combination)
174. Species Modiola peasei Newcomb, 1870 (unaccepted, original combination)
175. Species Modiola pectiniformis Deshayes, 1830 † (unaccepted > superseded combination)
176. Species Modiola pectinula A. Gould, 1841 (unaccepted, superseded combination)
177. Species Modiola pelagica (S. P. Woodward, 1854) (unaccepted)
178. Species Modiola penetecta Verco, 1907 (unaccepted)
179. Species Modiola petagnae Scacchi, 1832 sensu Reeve, 1857 (unaccepted)
180. Species Modiola phaseolina (R. A. Philippi, 1844) (unaccepted > superseded combination)
181. Species Modiola philippiana Menke, 1848 (unaccepted)
182. Species Modiola philippinarum Hanley, 1843 (unaccepted, original combination)
183. Species Modiola picta Lamarck, 1819 (unaccepted)
184. Species Modiola pictinata Lamarck, 1805 † (unaccepted > superseded combination)
185. Species Modiola pihetei Deshayes, 1858 † (unaccepted > superseded combination)
186. Species Modiola plicata (Gmelin, 1791) sensu Reeve, 1857 (unaccepted, misapplication)
187. Species Modiola plicatula Lamarck, 1819 (unaccepted, junior synonym)
188. Species Modiola plumescens Schmeltz, 1864 (unaccepted > nomen nudum)
189. Species Modiola plumula Hanley, 1843 (unaccepted, original combination)
190. Species Modiola poliana R. A. Philippi, 1844 (unaccepted)
191. Species Modiola polita A. E. Verrill & S. Smith, 1880 (unaccepted > superseded combination)
192. Species Modiola praerupta Pritchard, 1901 † (unaccepted, superseded combination)
193. Species Modiola prideaux Leach, 1815 (unaccepted)
194. Species Modiola prideauxiana T. Brown, 1827 (unaccepted, synonym)
195. Species Modiola producta T. Brown, 1849 † (unaccepted > superseded combination)
196. Species Modiola profunda Deshayes, 1830 † (unaccepted > superseded combination)
197. Species Modiola projecta Verco, 1908 (unaccepted)
198. Species Modiola pseudocapensis E. Lamy, 1931 (unaccepted)
199. Species Modiola pterota Locard, 1888 (unaccepted)
200. Species Modiola pterotus [sic] (unaccepted, synonym and misspelling)
201. Species Modiola pueblensis Pritchard, 1901 † (unaccepted, superseded combination)
202. Species Modiola pulex H. C. Lea, 1842 (unaccepted, invalid, junior homonym of Modiola pulex Lamarck, 1819)
203. Species Modiola pulex Lamarck, 1819 (unaccepted, superseded combination)
204. Species Modiola purpurata Lamarck, 1819 (unaccepted > superseded combination, original combination)
205. Species Modiola radiata T. Brown, 1827 (unaccepted)
206. Species Modiola radiolata Deshayes, 1858 † (unaccepted > superseded combination)
207. Species Modiola ramosa Clessin, 1889 (unaccepted)
208. Species Modiola recta Conrad, 1837 (unaccepted)
209. Species Modiola reversa J. De C. Sowerby, 1836 † (unaccepted > superseded combination, genus name is an incorrect subsequent spelling)
210. Species Modiola rhombea Berkeley, 1827 (unaccepted)
211. Species Modiola rhomboidea Reeve, 1857 (unaccepted)
212. Species Modiola robertsoni T. Brown, 1849 † (unaccepted > superseded combination)
213. Species Modiola rufa Fischer von Waldheim, 1807 (unaccepted)
214. Species Modiola rufanensis W. H. Turton, 1932 (unaccepted, junior subjective synonym)
215. Species Modiola rumphii R. A. Philippi, 1847 (unaccepted > junior subjective synonym)
216. Species Modiola sambasensis Dautzenberg, 1903 (unaccepted, original combination)
217. Species Modiola sarmatica (Gatuev, 1916) † (unaccepted > superseded combination)
218. Species Modiola scalprum J. Sowerby, 1821 † (unaccepted > superseded combination, genus name is an incorrect subsequent spelling)
219. Species Modiola schmidtii Schrenck, 1867 (unaccepted, original combination)
220. Species Modiola searlesi Chelot, 1885 † (unaccepted > superseded combination)
221. Species Modiola securis Lamarck, 1819 (unaccepted, superseded combination)
222. Species Modiola semen Lamarck, 1819 (unaccepted)
223. Species Modiola semicostata Conrad, 1837 (unaccepted)
224. Species Modiola semifusca Lamarck, 1819, sensu G. B. Sowerby I, 1825 (unaccepted, misidentification)
225. Species Modiola semifusca Lamarck, 1819 (unaccepted)
226. Species Modiola semilaevigata Deshayes, 1858 † (unaccepted > superseded combination)
227. Species Modiola semilaevis Menke, 1848 (unaccepted, original combination)
228. Species Modiola seminuda Deshayes, 1830 † (unaccepted > superseded combination)
229. Species Modiola semivestita Dunker, 1871 (unaccepted)
230. Species Modiola senhousia W. H. Benson, 1842 (unaccepted, superseded combination)
231. Species Modiola sericea Bronn, 1831 † (unaccepted, original combination)
232. Species Modiola siamensis (Morelet, 1866) (unaccepted > superseded combination)
233. Species Modiola silicula Lamarck, 1819 (unaccepted)
234. Species Modiola simplex Deshayes, 1842 † (unaccepted, genus is a misspelling)
235. Species Modiola sinuosa P. P. King, 1832 (unaccepted)
236. Species Modiola sirahensis Jousseaume, 1891 (unaccepted)
237. Species Modiola spathulata Deshayes, 1830 † (unaccepted > superseded combination)
238. Species Modiola speciosa Reeve, 1857 (unaccepted, original combination)
239. Species Modiola strangulata Locard, 1886 (unaccepted)
240. Species Modiola striatula Hanley, 1843 (unaccepted, original combination)
241. Species Modiola striatula Hanley, 1843, sensu E. von Martens, 1873 (unaccepted, misapplication)
242. Species Modiola strigata Hanley, 1843 (unaccepted, original combination)
243. Species Modiola subangulata Deshayes, 1858 † (unaccepted > superseded combination)
244. Species Modiola subcarinata Lamarck, 1805 † (unaccepted > superseded combination)
245. Species Modiola subclavata Libassi, 1859 (unaccepted)
246. Species Modiola subfuscata Clessin, 1887 (unaccepted)
247. Species Modiola subparallela Portlock, 1843 † (unaccepted > superseded combination)
248. Species Modiola subramosa Hanley, 1843 (unaccepted, original combination)
249. Species Modiola subrostrata Deshayes, 1858 † (unaccepted > superseded combination)
250. Species Modiola subrotundata Pană, 1962 † (unaccepted > superseded combination)
251. Species Modiola subrugosa Grabau & S. G. King, 1928 (unaccepted)
252. Species Modiola substriata Gray, 1824 (unaccepted)
253. Species Modiola subsulcata (Dunker, 1857) (unaccepted)
254. Species Modiola subtriangularis W. H. Turton, 1932 (unaccepted, junior synonym)
255. Species Modiola subtruncata T. Brown, 1849 † (unaccepted > superseded combination)
256. Species Modiola sulcata Lamarck, 1819 (unaccepted, invalid: junior homonym of Modiola sulcata Lamarck, 1805)
257. Species Modiola sulcata Lamarck, 1805 † (unaccepted > superseded combination)
258. Species Modiola tenera Deshayes, 1858 † (unaccepted > superseded combination)
259. Species Modiola tenerrima E. A. Smith, 1904 (unaccepted > junior subjective synonym)
260. Species Modiola teres R. A. Philippi, 1846 (unaccepted > superseded combination)
261. Species Modiola traillii Reeve, 1857 (unaccepted)
262. Species Modiola trapesina Lamarck, 1819 (unaccepted, superseded combination)
263. Species Modiola triangulum F. C. L. Koch, 1847 (unaccepted > junior subjective synonym)
264. Species Modiola tulipa Lamarck, 1819 (unaccepted)
265. Species Modiola tumescens Clessin, 1888 (unaccepted)
266. Species Modiola tumida Hanley, 1843 (unaccepted)
267. Species Modiola undulatus (Dunker, 1857) (unaccepted)
268. Species Modiola vagina Lamarck, 1819 (unaccepted)
269. Species Modiola valbodenensis Watelet, 1868 † (unaccepted > superseded combination)
270. Species Modiola variegata W. H. Benson, 1855 (unaccepted)
271. Species Modiola ventricosa F. A. Roemer, 1836 † (unaccepted > superseded combination, genus name is an incorrect subsequent spelling)
272. Species Modiola vestita R. A. Philippi, 1844 (unaccepted)
273. Species Modiola vexillum Reeve, 1857 (unaccepted, junior subjective synonym)
274. Species Modiola victoriae Pritchard & Gatliff, 1903 (unaccepted)
275. Species Modiola vignoni Petit de la Saussaye, 1862 (unaccepted)
276. Species Modiola villlosa Nardo, 1847 (unaccepted)
277. Species Modiola villosa Nardo, 1847 (unaccepted, synonym)
278. Species Modiola vitrea Møller, 1842 (unaccepted, original combination)
279. Species Modiola volhynica Eichwald, 1829 † (unaccepted > superseded combination)
280. Species Modiola vulgaris J. Fleming, 1828 (unaccepted)
281. Species Modiola vultuosa Jousseaume, 1919 (unaccepted > junior subjective synonym)
282. Species Modiola watsoni E. A. Smith, 1885 (unaccepted, original combination)
283. Species Modiola williamsoni T. Brown, 1849 † (unaccepted > superseded combination)
284. Species Modiola wyomingensis I. Lea, 1853 † (unaccepted > junior subjective synonym)
285. Species Modiola zebra Preston, 1908 (unaccepted)
286. Species Modiola zizyphina Caruana, 1867 (unaccepted)
287. Species Modiola zujovici Radovanović, 1888 † (unaccepted > superseded combination)
288. Species Modiola aequalis J. Sowerby, 1818 † (uncertain > unassessed)
289. Species Modiola ameghinoi Ihering, 1897 † (uncertain > unassessed)
290. Species Modiola andina Ortmann, 1900 † (uncertain > unassessed)
291. Species Modiola annandalei Preston, 1911 (uncertain > taxon inquirendum)
292. Species Modiola aspera J. Sowerby, 1818 † (uncertain > unassessed)
293. Species Modiola chilkaensis Preston, 1911 (uncertain > taxon inquirendum)
294. Species Modiola coquimbana R. A. Philippi, 1887 † (uncertain > unassessed)
295. Species Modiola crassissima McCoy, 1847 † (uncertain > unassessed)
296. Species Modiola cretacea W. M. Gabb, 1861 † (uncertain > unassessed)
297. Species Modiola crispata R. A. Philippi, 1849 (uncertain > nomen dubium)
298. Species Modiola cuneata J. Sowerby, 1818 † (uncertain > unassessed)
299. Species Modiola depressa J. Sowerby, 1812 † (uncertain > unassessed)
300. Species Modiola dragei Clessin, 1887 (uncertain > nomen dubium)
301. Species Modiola dufrenoyi d'Archiac, 1835 † (uncertain > unassessed)
302. Species Modiola elegans J. Sowerby, 1812 † (uncertain > unassessed)
303. Species Modiola exbrocchii Sacco, 1898 † (uncertain > unassessed)
304. Species Modiola foncki R. A. Philippi, 1887 † (uncertain > unassessed)
305. Species Modiola gibbosa J. Sowerby, 1818 † (uncertain > unassessed)
306. Species Modiola goldfussi Dunker, 1849 † (uncertain > unassessed)
307. Species Modiola gregaria Zieten, 1833 † (uncertain > unassessed)
308. Species Modiola hillana J. Sowerby, 1818 † (uncertain > unassessed)
309. Species Modiola imbricata J. Sowerby, 1818 † (uncertain > unassessed)
310. Species Modiola jenkinsi Preston, 1910 (uncertain > taxon inquirendum)
311. Species Modiola laevis J. Sowerby, 1812 † (uncertain > unassessed)
312. Species Modiola laeviuscula R. A. Philippi, 1887 † (uncertain > unassessed)
313. Species Modiola legumen R. A. Philippi, 1851 (uncertain > nomen dubium)
314. Species Modiola liturata Menke, 1830 (uncertain > nomen dubium)
315. Species Modiola merriami C. E. Weaver, 1905 † (uncertain > unassessed)
316. Species Modiola minima J. Sowerby, 1818 † (uncertain > unassessed)
317. Species Modiola nitens A. Gould & P. P. Carpenter, 1857 (uncertain > taxon inquirendum)
318. Species Modiola norica Hilber, 1897 † (uncertain > unassessed)
319. Species Modiola opifex Say, 1825 (uncertain > nomen dubium)
320. Species Modiola pallida J. Sowerby, 1812 † (uncertain > unassessed)
321. Species Modiola parallella J. Sowerby, 1812 † (uncertain > unassessed)
322. Species Modiola plicata J. Sowerby, 1819 † (uncertain > unassessed)
323. Species Modiola promaucana R. A. Philippi, 1887 † (uncertain > unassessed)
324. Species Modiola reniformis J. Sowerby, 1818 † (uncertain > unassessed)
325. Species Modiola rugulosa R. A. Philippi, 1887 † (uncertain > unassessed)
326. Species Modiola schythei R. A. Philippi, 1887 † (uncertain > unassessed)
327. Species Modiola siliqua R. A. Philippi, 1849 (uncertain > nomen dubium, preoccupied by Modiola siliqua Matheron, 1843)
328. Species Modiola socorrina A. d'Orbigny, 1843 † (uncertain > unassessed)
329. Species Modiola sordida Hanley, 1843 (uncertain > nomen dubium)
330. Species Modiola taprobanensis Preston, 1915 (uncertain > taxon inquirendum)
331. Species Modiola texana Gabb, 1861 † (uncertain > unassessed)
332. Species Modiola tristis F. C. L. Koch, 1847 (uncertain > nomen dubium)
333. Species Modiola varicosa A. Gould, 1843 (uncertain > nomen dubium)

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