Acar Gray, 1857 (additional source)
Acar pusilla (G. B. Sowerby I, 1833) (basis of record)
Acar rostae (S. S. Berry, 1954) (basis of record)
Acesta agassizii (Dall, 1902) (additional source)
Acesta patagonica (Dall, 1902) (basis of record)
Acharax johnsoni (Dall, 1891) (basis of record)
Adipicola Dautzenberg, 1927 (additional source)
Adipicola leticiae Signorelli & Crespo, 2017 (additional source)
Adrana crenifera (G. B. Sowerby I, 1833) (basis of record)
Adranidae Scarlato & Starobogatov, 1979 accepted as
Nuculanidae H. Adams & A. Adams, 1858 (1854) (source of synonymy)
Anatina cuneata Gray, 1828 accepted as
Entodesma cuneatum (Gray, 1828) (subsequent type designation)
Anomia peruviana d'Orbigny, 1846 (additional source)
Arca Linnaeus, 1758 (additional source)
Arca fernandezensis Hertlein & A. M. Strong, 1943 accepted as
Tetrarca fernandezensis (Hertlein & A. M. Strong, 1943) (basis of record)
Arcidae Lamarck, 1809 (additional source)
Arcopsis solida (G. B. Sowerby I, 1833) (additional source)
Argopecten purpuratus (Lamarck, 1819) (additional source)
Atrina Gray, 1842 (additional source)
Atrina maura (G. B. Sowerby I, 1835) (additional source)
Aulacomya atra (Molina, 1782) (basis of record)
Aulacomya atra atra (Molina, 1782) (basis of record)
Aulacomya atra crenata (Lamarck, 1819) accepted as
Aulacomya atra capensis (Dunker, 1846) (basis of record)
Aulacomya atra regia (Powell, 1957) accepted as
Aulacomya atra (Molina, 1782) (basis of record)
Axinactis Mörch, 1861 (additional source)
Axinactis delessertii (Reeve, 1843) (additional source)
Axinactis inaequalis (G. B. Sowerby I, 1833) (additional source)
Bathyarca Kobelt, 1891 (additional source)
Bathyarca corpulenta (E. A. Smith, 1885) (additional source)
Bathyarca imitata (E. A. Smith, 1885) (additional source)
Bathymodiolus antarcticus S. B. Johnson & Vrijenhoek, 2013 (additional source)
Bathyspinula calcar (Dall, 1908) (basis of record)
Bathyspinula latirostris Filatova & Schileyko, 1984 (basis of record)
Bathyspinulidae Coan & Valentich-Scott, 1997 (basis of record)
Brachidontes Swainson, 1840 (basis of record)
Brachidontes granulatus (Hanley, 1843) (basis of record)
Chlamys patriae Doello-Jurado, 1918 accepted as
Zygochlamys patagonica (P. P. King, 1832) (source of synonymy)
Choromytilus chorus (Molina, 1782) (basis of record)
Crassostrea gigas (Thunberg, 1793) accepted as
Magallana gigas (Thunberg, 1793) (additional source)
Crenellinae Gray, 1840 (additional source)
Ctenoconcha nuculoides Valenciennes, 1846 accepted as
Malletia chilensis Desmoulins, 1832 (source of synonymy)
Cyclopecten exquisitus Grau, 1959 (additional source)
Cyclopecten multistriatus K. Linse, 2002 (additional source)
Cyclopecten pernomus (Hertlein, 1935) (additional source)
Dacrydium panamense Knudsen, 1970 (basis of record)
Delectopecten gelatinosus (Mabille & Rochebrune, 1889) (status source)
Delectopecten zacae (Hertlein, 1935) (additional source)
Ennucula agujana (Dall, 1908) (basis of record)
Ennucula cardara (Dall, 1916) (additional source)
Ennucula colombiana (Dall, 1908) (additional source)
Ennucula grayi (d'Orbigny, 1846) (basis of record)
Ennucula interflucta (Marincovich, 1973) (new combination reference)
Entodesma chilensis R. A. Philippi, 1845 accepted as
Entodesma cuneatum (Gray, 1828) (subsequent type designation)
Entodesma cuneatum (Gray, 1828) (basis of record)
Glycymeris intermedia (Broderip, 1832) (basis of record)
Glycymeris maculata (Broderip, 1832) (additional source)
Glycymeris ovata (Broderip, 1832) (additional source)
Gregariella Monterosato, 1883 (additional source)
Gregariella coarctata (P. P. Carpenter, 1857) (basis of record)
Gullerina Valentich-Scott, Coan & Zelaya, 2020 (original description)
Gullerina cahuelmensis (Güller & Zelaya, 2012) (new combination reference)
Hyotissa quercinus (G. B. Sowerby II, 1871) (additional source)
Isognomon recognitus (Mabille, 1895) (additional source)
Jupiteria pontonia (Dall, 1890) (basis of record)
Kamenevus Valentich-Scott, Coan & Zelaya, 2020 (original description)
Kamenevus platei (Stempell, 1899) (new combination reference)
Kellia bullata R. A. Philippi, 1845 (subsequent type designation)
Kellia bullata R. A. Philippi, 1845 (basis of record)
Ledellinae Allen & H. L. Sanders, 1982 (additional source)
Leiosolenus aristatus (Dillwyn, 1817) (additional source)
Leiosolenus attenuatus (Deshayes, 1836) (basis of record)
Leiosolenus peruvianus (d'Orbigny, 1846) (basis of record)
Leiosolenus plumula (Hanley, 1843) (basis of record)
Limaria hemphilli (Hertlein & A. M. Strong, 1946) (basis of record)
Limaria pacifica (d'Orbigny, 1846) (additional source)
Limidae Rafinesque, 1815 (additional source)
Limopsidae Dall, 1895 (additional source)
Limopsis Sasso, 1827 (additional source)
Limopsis jousseaumi (Mabille & Rochebrune, 1889) (basis of record)
Limopsis panamensis Dall, 1902 (additional source)
Limopsis ruizana Rehder, 1971 accepted as
Limopsis jousseaumi (Mabille & Rochebrune, 1889) (source of synonymy)
Lithophaga (Solebrolabris) divaricalx Iredale, 1939 accepted as
Leiosolenus plumula (Hanley, 1843) (source of synonymy)
Lyonsia fretalis Dall, 1915 accepted as
Entodesma solemyalis (Lamarck, 1818) (source of synonymy)
Malletia chilensis Desmoulins, 1832 (basis of record)
Malletia inequalis Dall, 1908 accepted as
Malletia chilensis Desmoulins, 1832 (source of synonymy)
Malletia peruviana Dall, 1908 (basis of record)
Malletia truncata Dall, 1908 (basis of record)
Malletiella sorror Soot-Ryen, 1957 accepted as
Malletia peruviana Dall, 1908 (source of synonymy)
Modiola purpurata Lamarck, 1819 accepted as
Perumytilus purpuratus (Lamarck, 1819) (subsequent type designation)
Modiolus aurum Osorio, 1979 (basis of record)
Modiolus capax Conrad, 1837 (basis of record)
Mytella strigata (Hanley, 1843) (basis of record)
Mytilus auratus Molina, 1810 (status source)
Mytilus caeruleus Molina, 1810 accepted as
Choromytilus chorus (Molina, 1782) (source of synonymy)
Mytilus capensis Dunker, 1846 accepted as
Aulacomya atra capensis (Dunker, 1846) (source of synonymy)
Mytilus chilensis Hupé, 1854 (basis of record)
Mytilus chiloensis Reeve, 1858 accepted as
Mytilus chilensis Hupé, 1854 (source of synonymy)
Mytilus crenatus Lamarck, 1819 accepted as
Aulacomya atra (Molina, 1782) (source of synonymy)
Mytilus edulis diegensis Coe, 1945 accepted as
Mytilus galloprovincialis Lamarck, 1819 (source of synonymy)
Mytilus exaratus R. A. Philippi, 1847 accepted as
Perumytilus purpuratus (Lamarck, 1819) (source of synonymy)
Mytilus fischerianus Tapparone Canefri, 1874 accepted as
Mytilus galloprovincialis Lamarck, 1819 (source of synonymy)
Chilean Exclusive Economic Zone for
Mysella cahuelmensis Güller & Zelaya, 2012
Chilean Exclusive Economic Zone for
Nucula pisum G. B. Sowerby I, 1833
Chilean Exclusive Economic Zone for
Propeleda hickmanae Valentich-Scott, Coan & Zelaya, 2020
Falkland Islands Exclusive Economic Zone for
Nucula pisum G. B. Sowerby I, 1833
Peruvian Exclusive Economic Zone for
Modiola purpurata Lamarck, 1819
Peruvian Exclusive Economic Zone for
Nucula pisum G. B. Sowerby I, 1833
Peruvian Exclusive Economic Zone for
Semele iscovichorum Valentich-Scott, Coan & Zelaya, 2020
Valparaiso Bay for
Nucula grayi d'Orbigny, 1846