FRANCE: Basin de Paris, Eocene 117
Cerithioidea

Tenuicerithium crassicostatum Tenuicerithium fragile
Tenuicerithium crassicostatum (11 mm), colno 45263
Lutetian
Tenuicerithium fragile (12 mm), colno 10329
Bartonian
Tenuicerithium fragile Tenuicerithium fragile goossensi
Tenuicerithium fragile (14 mm), colno 31606
Lutetian
Tenuicerithium fragile goossensi (18 mm), colno 7694
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