FRANCE: Palaeocene, Thanetian, Screen 17: Gasteropoda
Mathilda sculptata Valvata joncheryacensis
Mathilda sculptata (8 mm) Valvata joncheryacensis (2 mm)
Valvata leopoldi Acteon gilberti
Valvata leopoldi (3 mm) Acteon gilberti (11 mm)
Sepioidea Dentaliida Cirroidea Neritoidea Stromboidea Rissooidea Ampullarioidea Cyclophoroidea Cerithioidea Littorinoidea
Janthinoidea Buccinoidea Conoidea Mitroidea Muricoidea Naticoidea Cypraeoidea Calyptraeoidea Architectonicoidea Valvatoidea
Acteonoidea Ellobioidea Siphonarioidea Acroloxoidea Physoidea Clausiloidea Mesurethra Streptaxoidea Vitrinoidea
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