Отряд Arcoida
Отряд Arcoida Stoliczka, 1871
Надсемейство Arcoidea Lamarck, 1809
Семейство Arcidae Lamarck, 1809
Подсемейство Arcinae Lamarck, 1809
Род Arca Linnaeus, 1758
Подрод Eonavicula Arkell, 1929
Arca (Eonavicula) "rossica" 
Arca (Eonavicula) ? sp. indet.
Семейство Cucullaeidae Stewart, 1930
Род Cucullaea Lamarck, 1801
Cucullaea elatmensis Borisiak, 1905
Cucullaea cf. clathrata Leckenby, 1859
{?}
Cucullaea saratofensis (d'Orbigny, 1845)
Cucullaea "kunceviensis"
Cucullaea cf. "kunceviensis" - J3v3-sb, Кунцево
Cucullaea alana (Rouillier, 1849)
Cucullaea angularis Еiсhwаld (1846) 1861
Cucullaea concinnoides (de Loriol, 1890-1891)
{?}
Cucullaea ? cf. roederi de Loriol, 1901
Род Dicranodonta Woods, 1899
Dicranodonta pectunculoides (Trautschold, 1861)
Dicranodonta "manturovensis"
Dicranodonta siberica (d'Orbigny, 1845)
{?}
Dicranodonta mnievnikensis Borisiak, 1905
Dicranodonta "lineata"
Dicranodonta ? "timochoviensis" - J2cl3, Тимохово
Семейство Parallelodontidae Dall, 1898
Подсемейство Grammatodontinae Branson, 1942
Род Grammatodon Meek, 1860
Подрод Grammatodon Meek, 1860
Grammatodon (Grammatodon) leskevitschi (Borisiak, 1905)
Grammatodon (Grammatodon) elatmense (Borisiak, 1905)
Grammatodon (Grammatodon) cf. elatmense (Borisiak, 1905) - J2cl2, Гжель
Grammatodon (Grammatodon) concinnum (Phillips, 1829)
Grammatodon (Grammatodon) "znamenkiense"
Grammatodon (Grammatodon) rouillieri (Lаhusеn, 1883)
Grammatodon (Grammatodon) "michailovense" - J2cl3-a, Михайлов
Grammatodon (Grammatodon) pictum (Мilаsсhеvitsch, 1881)
Grammatodon (Grammatodon) ex gr. pictum (Мilаsсhеvitsch, 1881)
Grammatodon (Grammatodon) "tenuisulcatum"
Grammatodon (Grammatodon) "rjasanense"
Grammatodon (Grammatodon) schourovskii (Rouillier et Vоsinskу, 1847)
Grammatodon (Grammatodon) compressiusculum (Rouillier, 1847)
Grammatodon (Grammatodon) "pusillum"
Grammatodon (Grammatodon) ex gr. "pusillum" - J3v2-v, ЛФР
Grammatodon ? (Grammatodon) sp.
Подрод Cosmetodon Branson, 1942
Grammatodon (Cosmetodon) keyserlingii (d'Orbigny, 1850)
Grammatodon (Cosmetodon) lutugini (Borisiak, 1905)
Grammatodon (Cosmetodon) productum (Rouillier et Vоsinskу, 1847)
Grammatodon (Cosmetodon) sp. 1
Grammatodon (Cosmetodon) sp. 2
Grammatodon (Cosmetodon) ? sp. 3