FRANCE: Basin de Paris, Eocene 262
Ptenoglossa

Triphora grignonensis Triphora grignonensis
Triphora grignonensis (12 mm), colno 10890
Lutetian
Triphora grignonensis (11 mm), colno 30213
Lutetian
Triphora grignonensis Triphora herouvallensis
Triphora grignonensis (13 mm), colno 31464
Lutetian
Triphora herouvallensis (7 mm), colno 62724
Cuisian
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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