California: Pleistocene and Pliocene

Screen 12: Muricoidea, Naticoidea

Nassa cerritensis (32 mm),colno 37600 Pleistocene, Formation unknown	Natica clausa (20 mm), colno 43717 Pleistocene, Timms Pit Silt Formation

Natica luziana (32 mm),colno 37601 Pleistocene, Formation unknown	Polinices lewisii (75 in 150 mm),colno 38916 Pliocene, Purisma 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

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