FRANCE: Eocene, Lutetian, Screen 140, Gastropoda
Omalaxis disjunctus marginatus Omalaxis serratus
Omalaxis disjunctus marginatus (8 mm) Omalaxis serratus (9 mm)
Omalaxis spiratus Pyramidella elatior
Omalaxis spiratus (9 mm) Pyramidella elatior (13 mm)
Sepioidea Dentaliida Gadilimorha Patelloidea Fissurelloidea Trochoidea Cirroidea Neritoidea Stromboidea Rissooidea
Cerithioidea Vermetoidea Littorinoidea Vanikoroidea Xenophoroidea Ptenoglossa Janthinoidea Eulimoidea Buccinoidea Columbelloidea
Conoidea Mitroidea Volutoidea Muricoidea Naticoidea Cypraeoidea Calyptraeoidea Tonnoidea Ficoidea Rissoelloidea
Architectonicoidea Pyramidelloidea Acteonoidea Bulloidea Aplysioidea Spiratelloidea Elloboidea Lymnaeoidea Planorbioidea
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