Acar J. E. Gray, 1857 (additional source)
Acesta patagonica (Dall, 1902) (basis of record)
Acharax johnsoni (Dall, 1891) (basis of record)
Adipicola Dautzenberg, 1927 (additional source)
Arca Linnaeus, 1758 (additional source)
Arcidae Lamarck, 1809 (additional source)
Aulacomya atra (Molina, 1782) (basis of record)
Bathyarca Kobelt, 1891 (additional source)
Bathyarca corpulenta (E. A. Smith, 1885) (additional source)
Bathyarca imitata (E. A. Smith, 1885) (additional source)
Bathyspinula calcar (Dall, 1908) (basis of record)
Bathyspinulidae Coan & Valentich-Scott, 1997 (basis of record)
Brachidontes Swainson, 1840 (basis of record)
Crenellinae Gray, 1840 (additional source)
Dacrydium panamense Knudsen, 1970 (basis of record)
Delectopecten gelatinosus (Mabille & Rochebrune, 1889) (status source)
Delectopecten zacae (Hertlein, 1935) (additional source)
Ennucula cardara (Dall, 1916) (additional source)
Ennucula grayi (d'Orbigny, 1846) (basis of record)
Gregariella Monterosato, 1883 (additional source)
Ledellinae Allen & H. L. Sanders, 1982 (additional source)
Limidae Rafinesque, 1815 (additional source)
Limopsidae Dall, 1895 (additional source)
Limopsis Sasso, 1827 (additional source)
Malletia chilensis Desmoulins, 1832 (basis of record)
Malletia peruviana Dall, 1908 (basis of record)
Malletiella sorror Soot-Ryen, 1957 accepted as
Malletia peruviana Dall, 1908 (source of synonymy)
Neilonella Dall, 1881 (additional source)
Neilonellidae Schileyko, 1989 (basis of record)
Nucula carlottensis Dall, 1897 (basis of record)
Nucula chrysocoma Dall, 1908 (basis of record)
Nucula grayi d'Orbigny, 1846 accepted as
Ennucula grayi (d'Orbigny, 1846) (subsequent type designation)
Nuculaninae H. Adams & A. Adams, 1858 (1854) (basis of record)
Philobryidae F. Bernard, 1897 (additional source)
Propeamussium meridionale (E. A. Smith, 1885) (additional source)
Pseudoneilonella atossa (Dall, 1908) (new combination reference)
Pseudoneilonella virens (Dall, 1890) (new combination reference)
Pteriidae J. E. Gray, 1847 (1820) (additional source)
Solemyidae Gray, 1840 (additional source)
Yoldiella A. E. Verrill & K. J. Bush, 1897 (additional source)