FRANCE: Basin de Paris, Eocene 646
Calyptraeoidea, Tonnoidea

Leptonotis squamaeformis Leptonotis squamaeformis
Leptonotis squamaeformis (20 mm), colno 13384
Cuisian
Leptonotis squamaeformis (19 mm), colno 7344
Lutetian
Leptonotis squamaeformis Cassis chevallieri
Leptonotis squamaeformis (18 mm), colno 10317
Lutetian
Cassis chevallieri (70 mm), colno 20582
Lutetian
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Lepidopleurina Ischnochitonina Chitonina Nautiloidea Coleoidea Dentaliida Gadilimorpha Patelloidea Fissurelloidea Pleurotomarioidea
Trochoidea Cirroidea Neritoidea Stromboidea Rissooidea Tornoidea Ampullarioidea Cyclophoroidea Cerithioidea Vermetoidea
Littorinoidea Vanikoroidea Xenophoroidea Ptenoglossa Janthinoidea Eulimoidea Buccinoidea Columbelloidea Conoidea
Mitroidea Volutoidea Muricoidea Naticoidea Cypraeoidea Lamellarioidea Calyptraeoidea Tonnoidea Ficoidea
Rissoelloidea Architectonicoidea Pyramidelloidea Valvatoidea Acteonoidea Bulloidea Aplysioidea Pleurobranchioidea Spiratelloidea
Ellobioidea Siphonarioidea Lyumnaeoidea Physoidea Planorbioidea Oleacinoidea Succineoidea Vitrinoidea Bivalvia