Acanthodoris atrogriseata O'Donoghue, 1927 (additional source)
Acanthodoris brunnea MacFarland, 1905 (additional source)
Acanthodoris hudsoni MacFarland, 1905 (additional source)
Acanthodoris lutea MacFarland, 1925 (additional source)
Acanthodoris nanaimoensis O'Donoghue, 1921 (additional source)
Acanthodoris pilosa (Abildgaard, 1789) (additional source)
Aclis occidentalis (Hemphill, 1894) accepted as Murchisonella occidentalis (Hemphill, 1894) (basis of record)
Aclis shepardiana (Dall, 1919) (basis of record)
Acteocina bidentata (A. d'Orbigny, 1841) accepted as Cylichnella bidentata (A. d'Orbigny, 1841) (additional source)
Acteocina carinata (P. P. Carpenter, 1857) accepted as Acteocina inculta (A. Gould, 1855) (additional source)
Acteocina cerealis (A. Gould, 1853) (additional source)
Acteocina culcitella (A. Gould, 1853) (additional source)
Acteocina eximia (Baird, 1863) accepted as Acteocina cerealis (A. Gould, 1853) (basis of record)
Acteocina harpa (Dall, 1871) (additional source)
Acteocina oldroydi Dall, 1925 (basis of record)
Acteocina oryza (Totten, 1835) accepted as Cylichnella oryza (Totten, 1835) (additional source)
Acteon traskii Stearns, 1897 (additional source)
Adalaria proxima (Alder & Hancock, 1854) (additional source)
Adalaria tschuktschica A. Krause, 1885 (additional source)
Addisonia brophyi J. H. McLean, 1985 (additional source)
Admete californica (Dall, 1908) (additional source)
Adontorhina cyclia S. S. Berry, 1947 (basis of record)
Adontorhina sphaericosa P. H. Scott, 1986 (basis of record)
Aegires albopunctatus MacFarland, 1905 (additional source)
Aesopus myrmecoon Dall, 1916 (additional source)
Aglaja ocelligera (Bergh, 1894) (additional source)
Aldisa albomarginata Millen, 1985 (basis of record)
Aldisa cooperi Robilliard & Baba, 1972 (basis of record)
Aldisa sanguinea (J. G. Cooper, 1863) (additional source)
Aldisa tara Millen, 1985 (basis of record)
Aldisa zetlandica (Alder & Hancock, 1854) (additional source)
Alvania compacta (P. P. Carpenter, 1864) (basis of record)
Alvania microglypta F. Haas, 1943 (basis of record)
Alvania oldroydae Bartsch, 1911 (basis of record)
Alvania rosana Bartsch, 1911 (basis of record)
Alvania trachisma Bartsch, 1911 (basis of record)
Alvania tumida P. P. Carpenter, 1857 (basis of record)
Americardia biangulata (Broderip & G. B. Sowerby I, 1829) (basis of record)
Americardia guppyi (Thiele, 1910) (additional source)
Americardia media (Linnaeus, 1758) (additional source)
Anadara multicostata (G. B. Sowerby I, 1833) accepted as Larkinia multicostata (G. B. Sowerby I, 1833) (basis of record)
Anatoma lyra (S. S. Berry, 1947) (basis of record)
Ancistrolepis eucosmius (Dall, 1891) (additional source)
Ancula evelinae Er. Marcus, 1961 (basis of record)
Ancula pacifica MacFarland, 1905 (basis of record)
Anisodonta carolina Dall, 1900 (basis of record)
Anodontia alba Link, 1807 (additional source)
Anomia simplex A. d'Orbigny, 1853 (additional source)
Antiplanes briseis Dall, 1919 (additional source)
Aplysia brasiliana Rang, 1828 (additional source)
Aplysia californica J. G. Cooper, 1863 (additional source)
Aplysia reticulopoda Beeman, 1960 (additional source)
Aplysia vaccaria Winkler, 1955 (additional source)
Aplysiopsis enteromorphae (Eliot, 1905) (additional source)
Arctomelon stearnsii (Dall, 1872) (additional source)
Arene bairdii (Dall, 1889) (additional source)
Arene briarea (Dall, 1881) (additional source)
Arene cruentata (Megerle von Mühlfeld, 1824) (additional source)
Arene tricarinata (Stearns, 1872) (additional source)
Arene variabilis (Dall, 1889) (additional source)
Arene venustula Aguayo & Rehder, 1936 (additional source)
Armina cordellensis Gosliner & Behrens, 1996 (additional source)
Assiminea translucens (P. P. Carpenter, 1864) (basis of record)
Astarte borealis (Schumacher, 1817) accepted as Tridonta borealis Schumacher, 1817 (additional source)
Astarte castanea (Say, 1822) accepted as Isocrassina castanea (Say, 1822) (additional source)
Astarte montagui (Dillwyn, 1817) accepted as Tridonta montagui (Dillwyn, 1817) (additional source)
Astarte undata A. Gould, 1841 (additional source)
Astyris gausapata (A. Gould, 1850) accepted as Alia gausapata (A. Gould, 1850) accepted as Mitrella gausapata (A. Gould, 1850) (basis of record)
Astyris rosacea (A. Gould, 1840) (additional source)
Atlanta californiensis Seapy & Richter, 1993 (basis of record)
Atlanta inflata J. E. Gray, 1850 (basis of record)
Atys nonscriptus (A. Adams, 1850) (basis of record)
Atys obscuratus Dall, 1896 (basis of record)
Austraeolis catina Ev. Marcus & Er. Marcus, 1967 (basis of record)
Austrotrophon catalinensis (I. Oldroyd, 1927) (additional source)
Axinodon redondoensis (T. A. Burch, 1941) (basis of record)
Axinopsida serricata (P. P. Carpenter, 1864) (additional source)
Babakina festiva (Roller, 1972) (basis of record)
Babelomurex oldroydi (I. S. Oldroyd, 1929) (basis of record)
Baptodoris mimetica Gosliner, 1991 (basis of record)
Barbatia domingensis (Lamarck, 1819) (basis of record)
Barleeia haliotiphila P. P. Carpenter, 1864 (basis of record)
Barleeia oldroydi Bartsch, 1920 (basis of record)
Barleeia subtenuis P. P. Carpenter, 1864 (basis of record)
Basterotia corbuloidea (Dall, 1899) (additional source)
Bathybembix bairdii (Dall, 1889) (basis of record)
Bellaspira grippi (Dall, 1908) (basis of record)
Beringius behringii (Middendorff, 1848) (additional source)
Beringius crebricostatus (Dall, 1877) (additional source)
Beringius eyerdami A. G. Smith, 1959 (additional source)
Beringius indentatus Dall, 1919 (additional source)
Beringius kennicottii (Dall, 1871) (basis of record)
Beringius stimpsoni (A. Gould, 1860) (additional source)
Beringius turtoni (W. Bean, 1834) (additional source)
Beringius undatus Dall, 1919 (additional source)
Berthella agassizii (MacFarland, 1909) (additional source)
Berthella strongi (MacFarland, 1966) accepted as Pleurehdera strongi (MacFarland, 1966) (additional source)
Boonea cincta (P. P. Carpenter, 1864) (additional source)
Boreocingula castanea (Møller, 1842) (additional source)
Boreotrophon alaskanus Dall, 1902 (additional source)

English West Indian green chiton for Chiton tuberculatus Linnaeus, 1758