California: Pleistocene and Pliocene

Screen 16: Arcoidea, Limopsoidea, Mytiloidea

Anadara trilineata (58 mm), colno 38965 Pliocene, Purisma Formation	Glycymeris subobsoleta (13 mm), colno 43759 Pleistocene, Palos Verdes Sands

Mytilus coalingensis (90 mm), colno 60774 Pliocene, Purisma Formation	Mytilus species (98 mm), colno 38972 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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