FRANCE: Palaeocene, Thanetian, Screen 20: Gasteropoda
Stolidoma crassidens Siphonaria laubrierei
Stolidoma crassidens (12 mm) Siphonaria laubrierei (8 mm)
Acroloxus arenarius Aplexa primigenia
Acroloxus arenarius (2 mm) Aplexa primigenia (20 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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