Acar J. E. 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)
Anomia peruviana A. d'Orbigny, 1846 (additional source)
Arca Linnaeus, 1758 (additional source)
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)
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)
Choromytilus chorus (Molina, 1782) (basis of record)
Crassostrea gigas (Thunberg, 1793) accepted as Magallana gigas (Thunberg, 1793) (additional source)
Crenellinae Gray, 1840 (additional source)
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 (A. d'Orbigny, 1846) (basis of record)
Ennucula interflucta (Marincovich, 1973) (new combination reference)
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 (A. 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 (A. 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)
Malletia chilensis Desmoulins, 1832 (basis of record)
Malletia peruviana Dall, 1908 (basis of record)
Malletia truncata Dall, 1908 (basis of record)
Modiolus aurum Osorio, 1979 (basis of record)
Modiolus capax Conrad, 1837 (basis of record)
Mytella strigata (Hanley, 1843) (basis of record)
Mytilus chilensis Hupé, 1854 (basis of record)
Mytilus galloprovincialis Lamarck, 1819 (additional source)
Neilonella Dall, 1881 (additional source)
Neilonella sulculata (A. Gould, 1852) (basis of record)
Neilonellidae Schileyko, 1989 (basis of record)
Noetiidae R. B. Stewart, 1930 (additional source)
Nucula (Lamellinucula) Schenck, 1944 accepted as Nucula Lamarck, 1799 (source of synonymy)
Nucula carlottensis Dall, 1897 (basis of record)
Nucula chrysocoma Dall, 1908 (basis of record)
Nucula exigua G. B. Sowerby I, 1833 (basis of record)
Nucula fernandensis Villarroel, 1971 (basis of record)
Nucula pisum G. B. Sowerby I, 1833 (basis of record)
Nuculaninae H. Adams & A. Adams, 1858 (1854) (basis of record)
Orthoyoldia panamensis (Dall, 1908) (basis of record)
Ostrea chilensis Küster, 1844 (basis of record)
Perumytilus purpuratus (Lamarck, 1819) (basis of record)
Philobrya aequivalvis (Odhner, 1922) (basis of record)
Philobrya brattstromi Soot-Ryen, 1957 (basis of record)
Philobryidae F. Bernard, 1897 (additional source)
Pinna rugosa G. B. Sowerby I, 1835 (additional source)
Pinnidae Leach, 1819 (additional source)
Propeamussium meridionale (E. A. Smith, 1885) (additional source)
Propeleda hickmanae Valentich-Scott, Coan & Zelaya, 2020 (original description)