Cataceramus gandjaeformis (FOSSIL) Walaszczyk, Cobban& Harries, 2001 †
Inoceramus gibbosus (FOSSIL) F. Schlüter, 1877 †
Cordiceramus gilberti (FOSSIL) (White, 1876 †)
Sphenoceramus gilli (FOSSIL) Walaszczyk & Cobban,2006 †
Inoceramus ginterensis (FOSSIL) Pergament, 1966 †
Inoceramus glacierensis (FOSSIL) Walaszczyk & Cobban,2006 †
Cataceramus glendivensis (FOSSIL) Walaszczyk, 2001 †
Parainoceramya golberti (FOSSIL) (Zakharov & Turbina,1979 †)
Posidonioceramus goodrichensis (FOSSIL) (McLearn, 1943 †)
Parainoceramya gryphaeoides (FOSSIL) (Schlotheim, 1820 †)
Inoceramus howelli (FOSSIL) White, 1876 †
Inaequiceramus inaequivalvis (FOSSIL) F. Schlüter, 1933 †
Inoceramus inaequivalvis (FOSSIL) F. Schlüter, 1877 †
Inoceramus incelebratus (FOSSIL) Pergament, 1966 †
Inoceramus inconditus (FOSSIL) J. Marwick, 1953 †
Inoceramus incurvatus (FOSSIL) Tate †
Volviceramus involutus (FOSSIL) (Sowerby, 1828 †)
Pseudomytiloides jacuticus (FOSSIL) Petrova, 1953 †
Parainoceramya jinjiensis (FOSSIL) (C. Chen, 1988 †)
Inoceramus koegleri (FOSSIL) Andert, 1911 †
Inoceramus kystatymensis (FOSSIL) Koschelkina, 1960 †
Mytiloides labiatus (FOSSIL) (Schlotheim, 1813 †)
Inoceramus lamarcki (FOSSIL) Parkinson, 1819 †
Inoceramus lateris (FOSSIL) Rossi de Garcia& Y. Camacho-García, 1965 †
Cordiceramus lesginensis (FOSSIL) Dobrov & Pavlova, 1959 †
Sphenoceramus lundbreckensis (FOSSIL) McLearn, 1929 †
Mytiloides lusatiae (FOSSIL) Andert, 1911 †
Tethyoceramus madagascariensis (FOSSIL) (Heinz, 1933 †)
Parainoceramya martini (FOSSIL) (Speden, 1970 †)
Parainoceramya matsumotoi (FOSSIL) (I. Hayami, 1960 †)
Inoceramus mesabiensis (FOSSIL) Bergquist, 1944 †
Tethyoceramus modestoides (FOSSIL) (Sornay 1980) †
Inoceramus morii (FOSSIL) I. Hayami, 1959 †
Gnesioceramus mowriensis (FOSSIL) Walaszczyk & Cobban,2016 †
Endocostea mulleri (FOSSIL) Petrascheck, 1961 †