Mimachlamys funebris (L.A. Reeve, 1853)
Chlamys gackhense (FOSSIL) L. Krishtofovich & Ilyina,1963 †
Euvola galapagensis (G. Grau, 1959)
Lyropecten gallegosi (FOSSIL) H.K. Jordan& L.G. Hertlein, 1926 †
Serratovola gardineri (E.A. Smith, 1903)
Leopecten gatunensis (FOSSIL) (F. Toula, 1909 †)
Austrochlamys gazdickii (FOSSIL) Jonkers 2003 †
Leoclunipecten gazdzickii (FOSSIL) (H.A. Jonkers, 2003 †)
Pecten gedinganensis (FOSSIL) Martin, 1909 †
Zygochlamys geminata (FOSSIL) (G.B. II Sowerby, 1846 †)
Talochlamys gemmulata (L.A. Reeve, 1853)
Talochlamys gemmulata suteri (L.G. Hertlein, 1933)
Chlamys generosus (FOSSIL) (Cragin, 1893 †)
Chlamys gentoni (FOSSIL) (C.F. Fontannes †)
Neithea georgetownensis (FOSSIL) Kniker, 1919 †
Palliolum gerardi (FOSSIL) (P. Nyst, 1835 †)
Neithea gibbosa (FOSSIL) (Pultney, 1813 †)
Argopecten gibbus (C. Linnaeus, 1758)
Argopecten gibbus imitatoides O. Macsotay & B. Campos,2001
Crassadoma gigantea (J.E. Gray, 1825)
Camptonectes giganteus (FOSSIL) Arkell, 1926 †
Oopecten gigas (FOSSIL) Schlotheim, 1813 †
Oopecten gigas (FOSSIL) (von Schlotheim 1813) †
Argopecten gilbertharrisi (FOSSIL) F. Hodson & F. Hodson,1927 †
Pseudamussium gilchristi (Sowerby III, 1904)
Indopecten glaber (FOSSIL) (Douglas 1929) †
Flexopecten glaber (C. Linnaeus, 1758)
Flexopecten glaber citrina (J.F. Gmelin, 1791)
Flexopecten glaber ponticus (M.E.J. Bucquoy, P. Dautzenberg& G.F. Dollfus, 1889)
Flexopecten glaber proteus (L.W. Dillwyn, 1817)
Laevichlamys gladysiae (J.C. Melvill, 1888)
Mimachlamys gloriosa (L.A. Reeve, 1853)
Aequipecten glyptus (A.E. Verrill, 1882)
Pecten gordus (FOSSIL) A.A. Olsson, 1964 †
Eopecten gradus (FOSSIL) (J. Lycett, 1863 †)