California: Pleistocene and Pliocene

Screen 2: Patelloidea, Fissurelloidea
Lottia scabra Diodora arnoldi
Lottia scabra (14 mm),colno 43694
Pleistocene, Bay Point Formation
Diodora arnoldi (18 mm), colno 43735
Pleistocene, Palos Verdes Sands
Diodora aspera Fissurella volcano
Diodora aspera (28 mm),colno 43703
Pleistocene, Bay Point Formation
Fissurella volcano (28 mm),colno 43702
Pleistocene, Bay Point Formation
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Dentaliida Patelloidea Fissurelloidea Cirroidea Cerithioidea Littorinoidea Janthinoidea Buccinoidea
Columbelloidea Conoidea Volutoidea Muricoidea Naticoidea Calyptraeoidea Tonnoidea Ellobioidea
Nuculoidea Nuculanoidea Arcoidea Limopsoidea Mytiloidea Ostreoidea Pecinoidea Lucinoidea
Carditoidea Crassatelloidea Cardioidea Mactroidea Telinoidea Donacoidea Veneroidea Myoidea Pholadoidea