FRANCE: Basin de Paris, Eocene 103
Cerithioidea

Hemicerithium bernayi Hemicerithium gardneri
Hemicerithium bernayi (7 mm), colno 31453
Lutetian
Hemicerithium gardneri (10 mm), colno 43395
Bartonian
Hemicerithium gardneri Hemicerithium imperfectum
Hemicerithium gardneri (19 mm), colno 62948
Lutetian
Hemicerithium imperfectum (20 mm), colno 7654
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