Abrina cuneipyga Scarlato, 1981 accepted as Macoma cuneipyga (Scarlato, 1981) (original description)
Abrina sachalinica Scarlato, 1981 accepted as Macoma loveni (A. S. Jensen, 1905) (original description)
Abrina shiashkotanika Scarlato, 1981 accepted as Macoma shiashkotanika (Scarlato, 1981) (original description)
Abrina tatarica Scarlato, 1981 accepted as Macoma calcarea (Gmelin, 1791) (original description)
Acila (Acila) divaricata (Hinds, 1843) represented as Acila divaricata (Hinds, 1843) (additional source)
Acila (Truncacila) beringiana Slodkevich, 1967 accepted as Acila castrensis (Hinds, 1843) (additional source)
Acila (Truncacila) insignis (A. Gould, 1861) represented as Acila insignis (A. Gould, 1861) (additional source)
Adula H. Adams & A. Adams, 1857 (basis of record)
Adula falcatoides T. Habe, 1955 (additional source)
Adula schmidtii (Schrenck, 1867) (additional source)
Adulinae Scarlato & Starobogatov, 1979 accepted as Mytilinae Rafinesque, 1815 (additional source)
Akebiconcha soyoae ochotensis Scarlato, 1981 accepted as Phreagena ochotensis (Scarlato, 1981) (original description)
Anadara broughtonii (Schrenck, 1867) (additional source)
Arca boucardi Jousseaume, 1894 accepted as Tetrarca boucardi (Jousseaume, 1894) (additional source)
Arca kobeltiana Pilsbry, 1904 accepted as Arca boucardi Jousseaume, 1894 accepted as Tetrarca boucardi (Jousseaume, 1894) (source of synonymy)
Arca miyatensis Oyama, 1951 † accepted as Arca boucardi Jousseaume, 1894 accepted as Tetrarca boucardi (Jousseaume, 1894) (source of synonymy)
Archivesica ochotica Scarlato, 1981 (original description)
Arvella Scarlato, 1960 (basis of record)
Arvella japonica (Dall, 1897) (additional source)
Arvella manshurica Scarlato, 1960 (additional source)
Calyptogena rectimargo Scarlato, 1981 (original description)
Chlamys hindsi asiaticus Scarlato, 1981 accepted as Chlamys asiatica Scarlato, 1981 (original description)
Chlamys rosealbus Scarlato, 1981 accepted as Chlamys chosenica Kuroda, 1932 (original description)
Chlamys strategus (Dall, 1898) accepted as Chlamys behringiana (Middendorff, 1849) (basis of record)
Ciliatocardium ciliatum tchuktchense Kafanov, 1981 represented as Ciliatocardium ciliatum (O. Fabricius, 1780) (original description)
Ciliatocardium likharevi Kafanov, 1981 (original description)
Crassostrea gigas (Thunberg, 1793) accepted as Magallana gigas (Thunberg, 1793) (basis of record)
Crassostreidae Scarlato & Starobogatov, 1979 accepted as Crassostreinae Scarlato & Starobogatov, 1979 (basis of record)
Crenella decussata decussata (Montagu, 1803) accepted as Crenella decussata (Montagu, 1808) (basis of record)
Crenella decussata laticostata Scarlato, 1960 accepted as Crenella decussata (Montagu, 1808) (additional source)
Crenella leana Dall, 1897 accepted as Solamen leanum (Dall, 1897) (additional source)
Crenellinae J. E. Gray, 1840 (additional source)
Crenomytilus T. Soot-Ryen, 1955 (basis of record)
Crenomytilus grayanus (Dunker, 1853) (additional source)
Cyclopecten davidsoni (Dall, 1897) (basis of record)
Dacrydium Torell, 1859 (basis of record)
Delectopecten R. B. Stewart, 1930 (additional source)
Delectopecten randolphi (Dall, 1897) accepted as Delectopecten vancouverensis (Whiteaves, 1893) (additional source)
Dermatomya Dall, 1889 (additional source)
Dermatomya kurilensis Scarlato, 1981 accepted as Dermatomya tenuiconcha (Dall, 1913) (original description)
Elliptica Scarlato, 1981 accepted as Tridonta Schumacher, 1817 (original description)
Elliptica alaskensis derbecki Scarlato, 1981 accepted as Tridonta elliptica (T. Brown, 1827) (original description)
Glycymeris yessoensis (G. B. Sowerby III, 1889) (additional source)
Huxleyia A. Adams, 1860 (basis of record)
Huxleyia pentadonta Scarlato, 1981 (original description)
Huxleyioidae Scarlato & Starobogatov, 1971 accepted as Huxleyiidae Scarlato & Starobogatov, 1971 accepted as Nucinellidae H. E. Vokes, 1956 (basis of record)
Huxleyioidea Scarlato & Starobogatov, 1971 accepted as Manzanelloidea Chronic, 1952 (basis of record)
Kellia comandorica Scarlato, 1981 (original description)
Leda minuta var. plana Filatova, 1948 accepted as Nuculana minuta (O. F. Müller, 1776) (source of synonymy)
Leda pernula costigera Leche, 1883 accepted as Nuculana pernula (O. F. Müller, 1779) (source of synonymy)
Leda pernuloides Dunker, 1882 accepted as Nuculana pernula (O. F. Müller, 1779) (source of synonymy)
Leionucula Quenstedt, 1930 † (additional source)
Leionucula inflata inflata (Hancock, 1846) accepted as Ennucula tenuis (Montagu, 1808) (basis of record)
Leionucula inflata romboides Scarlato, 1981 accepted as Ennucula romboides (Scarlato, 1981) (original description)
Leionucula ovatotruncata Scarlato, 1980 accepted as Ennucula tenuis (Montagu, 1808) (additional source)
Leionucula tenuis expansa (Reeve, 1855) accepted as Ennucula tenuis (Montagu, 1808) (basis of record)
Leionucula tenuis tenuis (Montagu, 1808) accepted as Ennucula tenuis (Montagu, 1808) (basis of record)
Limopsis (Empleconia) Dall, 1908 accepted as Empleconia Dall, 1908 (additional source)
Limopsis (Empleconia) vaginatus Dall, 1891 accepted as Empleconia vaginata (Dall, 1891) (basis of record)
Limopsis (Limopsis) kurilensis Scarlato, 1981 represented as Limopsis kurilensis Scarlato, 1981 (original description)
Limopsis (Limopsis) uwadokoi Oyama, 1951 represented as Limopsis uwadokoi Oyama, 1951 (basis of record)
Limopsis (Limopsis) uwadokoi iturupica Scarlato, 1981 accepted as Limopsis uwadokoi Oyama, 1951 (original description)
Limopsis (Limopsis) uwadokoi uwadokoi Oyama, 1951 accepted as Limopsis uwadokoi Oyama, 1951 (basis of record)
Limopsoidea Dall, 1895 (additional source)
Liocyma fluctuosa (A. Gould, 1841) (additional source)
Lopha (Ostreola) posjetica var. beringi Vialov, 1946 accepted as Crassostrea gigas (Thunberg, 1793) accepted as Magallana gigas (Thunberg, 1793) (source of synonymy)
Lopha (Ostreola) posjetica var. newelskyi Vialov, 1946 accepted as Crassostrea gigas (Thunberg, 1793) accepted as Magallana gigas (Thunberg, 1793) (source of synonymy)
Lopha (Ostreola) posjetica var. zawoikoi Vialov, 1946 accepted as Crassostrea gigas (Thunberg, 1793) accepted as Magallana gigas (Thunberg, 1793) (source of synonymy)
Lyonsia arenosa tarasovi Scarlato, 1981 accepted as Lyonsia arenosa (Møller, 1842) (original description)
Lyonsia cucumerina Ivanova, 1981 (original description)
Lyonsia inflata Scarlato, 1981 accepted as Lyonsia gagarae Scarlato & Kafanov, 1988 (original description)
Lyonsia nuculaniformis Scarlato, 1981 (original description)
Lyonsia vniroi Scarlato, 1981 (original description)
Macoma lama meridionalis Scarlato, 1981 accepted as Macoma lama Bartsch, 1929 (original description)
Macoma orbiculata Scarlato, 1981 accepted as Macoma golikovi Scarlato & Kafanov, 1988 (original description)
Macoma sicca Scarlato & Ivanova, 1981 accepted as Limecola contabulata (Deshayes, 1855) accepted as Macoma contabulata (Deshayes, 1855) (original description)
Malletia Desmoulins, 1832 (additional source)
Malletia derjugini (Gorbunov, 1946) accepted as Tindaria derjugini Gorbunov, 1946 (basis of record)
Malletia obtusata [sic] accepted as Malletia obtusa (G. O. Sars, 1872) accepted as Malletia pianii (van Aartsen & Giannuzzi-Savelli, 1991) (basis of record)
Malletia pacifica Dall, 1897 (additional source)
Malletia takaii Okutani, 1968 (additional source)
Megacrenella T. Habe & Ki. Ito, 1965 accepted as Solamen Iredale, 1924 (additional source)
Megacrenella tamurai (Habe, 1955) accepted as Solamen columbianum (Dall, 1897) (basis of record)
Megayoldia A. E. Verrill & K. J. Bush, 1897 (source of synonymy)
Megayoldia kamtchatkana Scarlato, 1981 accepted as Megayoldia montereyensis (Dall, 1893) (original description)
Megayoldia lischkei (E. A. Smith, 1885) (additional source)
Microyoldia A. E. Verrill & K. J. Bush, 1897 accepted as Megayoldia A. E. Verrill & K. J. Bush, 1897 (basis of record)
Microyoldia ochotensis Scarlato, 1981 accepted as Megayoldia thraciaeformis (Storer, 1838) (original description)
Microyoldia regularis (A. E. Verrill, 1884) accepted as Megayoldia thraciaeformis (Storer, 1838) (basis of record)
Miodontiscus annakensis (Oinomikado, 1939) (basis of record)
Miodontiscus prolongatus (P. P. Carpenter, 1864) (additional source)
Modiolinae G. Termier & H. Termier, 1950 (additional source)
Modiolus difficilis (T. Habe & Kuroda, 1950) accepted as Modiolus kurilensis F. R. Bernard, 1983 (basis of record)
Modiolus margaritaceus (Nomura & Hatai, 1940) (additional source)
Musculinae Iredale, 1939 accepted as Mytilinae Rafinesque, 1815 (basis of record)
Musculista G. Yamamoto & T. Habe, 1958 accepted as Arcuatula Jousseaume, 1919 (additional source)
Musculus Röding, 1798 (additional source)
Musculus corrugatus (W. Stimpson, 1851) accepted as Musculus glacialis (Leche, 1883) (basis of record)
Musculus discors (Linnaeus, 1767) (additional source)
Musculus filatovae Scarlato, 1955 accepted as Musculus discors (Linnaeus, 1767) (additional source)

 Type locality

 for Miodontiscus prolongatus (P. P. Carpenter, 1864)

USA, Pacific Ocean off Washington State coast [details]