Cuspidaria fraterna A.E. Verrill & K.J. Bush,1898 USA, Rhode Island
Cardiomya fujitai (J.T. Kuroda, 1948) Japan, Toyama Bay
Myonera garretti W.H. Dall, 1908 Panama Bay
Cuspidaria gigantea B. Prashad, 1932 Okinawa45,6 mm
Myonera gigantea (A.E. Verrill, 1884) Mozambique Channel48,1 mm
Cardiomya gilchristi (G.B. III Sowerby, 1904)
Cuspidaria girondica (FOSSIL) É.A. Benoist, 1907 † France, Aquitaine9 mm
Cuspidaria glacialis (G.O. Sars, 1878) Washington11,9 mm
Bathyneaera globulosa E.M. Krylova, 1993
Cardiomya gouldiana (R.B. Hinds, 1843) China, Zhejiang12 mm
Cardiomya gouldiana septentrionalis J.T. Kuroda, 1948 Philippines, Siquijor8,3 mm
Cuspidaria gracilis (J.G. Jeffreys, 1882) Bank Porcupine
Cuspidaria grandis (FOSSIL) L.W. Stephenson, 1941 † USA, Texas, Falls
Plectodon granulatus W.H. Dall, 1881 Florida, Egmont Key8 mm
Cuspidaria grovensis (FOSSIL) L.W. Stephenson, 1941 † USA, Alabama, Bullock
Cuspidaria guineensis J. Knudsen, 1970 E. Atlantic, off W. Africa, (1"42'N, 7"51'E)
Cuspidaria haasi J. Knudsen, 1970 off C. America (9"23'N, 89'32'W)
Bathyneaera hadalis (J. Knudsen, 1970) Banda Trench (5"36'S, 131"06'E)
Cuspidaria halei B.C. Cotton& F.C. Godfrey, 1938 Australia, Victoria
Rhinoclama halimera (W.H. Dall, 1886) North Carolina, Cape Fear
Cuspidaria hawaiensis W.H. Dall, P. Bartsch& H.A. Rehder, 1938 Hawaii6,5 mm
Cuspidaria hindsiana (C.B. Adams, 1864) Japan, Kochi20 mm
Cuspidaria hirasei J.T. Kuroda, 1948 China, Zhejiang19 mm
Austroneaera hornibrooki (FOSSIL) J. Marwick, 1965 †
Cuspidaria hyalina (R.B. Hinds, 1843 ex Sowerby MS)
Cuspidaria infelix K.H.J. Thiele, 1912 Antarctica
Rhinoclama inflata (J.G. Jeffreys, 1882) UK, Scotland7 mm
Plectodon intastrata (FOSSIL) (T.A. Conrad, 1848 †) USA, Mississippi
Plectodon intastriata (FOSSIL) (T.A. Conrad, 1848 †) USA, Mississippi4 mm
Cardiomya interstitialis H. Takeda, 1953 Japan
Cardiomya islahispaniolae (FOSSIL) C.J. Maury, 1917 † Dominican Republic4 mm
Cardiomya iturupica O.A. Scarlato, 1972
Cuspidaria japonica J.T. Kuroda, 1948 China, Zhejiang21,2 mm
Cuspidaria jeffreysi (W.H. Dall, 1881) Florida16,1 mm
Cuspidaria jugosa (W. Wood, 1857) Norway, Brekstad7 mm