FRANCE: Eocene, Bartonian, Screen 68, Gastropoda
Simnia rostralina Calyptraea aperta
Simnia rostralina (14 mm) Calyptraea aperta (43 mm)
Calyptraea aperta pileoides Capulus patulus
Calyptraea aperta pileoides (41 mm) Capulus patulus (14 mm)
Lepidopleurina Sepioidea Dentaliida Patelloidea Fissurelloidea Trochoidea Cirroidea Neritoidea Stromboidea Rissooidea
Cerithioidea Vermetoidea Littorinoidea Vanikoroidea Xenophoroidea Ptenoglossa Janthinoidea Buccinoidea Columbelloidea Conoidea
Mitroidea Volutoidea Muricoidea Naticoidea Cypraeoidea Calyptraeoidea Tonnoidea Ficoidea Architectonicoidea Pyramidelloidea
Valvatoidea Acteonoidea Aplysioidea Ellobioidea Siphonarioidea Lymnaeoidea Planorbioidea
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