California: Pleistocene and Pliocene

Screen 13: Naticoidea, Calyptraeoidea

Polinices reclusianus (23 mm), colno 43729 Pleistocene, Palos Verdes Sands	Crucibulum spinosum (25 mm), colno 43724 Pleistocene, Palos Verdes Sands

Crepidula adunca (18 mm), colno 19893 Pliocene, Purisma Formation	Crepidula coei (22 mm), colno 43745 Pleistocene, Palos Verdes Sands

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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

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