ITALY: Pliocene, Screen 160: Acteonoidea.

Ringicula ventricosa Plaisancian, colno 39422, 9 mm	Ringicula ventricosa Tabianian, colno 39541, 8 mm
Ringicula ventricosa Astian, colno 40006, 9 mm	Acteocina spirata Tabianian, colno 39557, 3 mm

Dentaliida	Gadilimorpha	Cocculinoidea	Lepetelloidea	Fissurelloidea	Scissurelloidea	Trochoidea	Cirroidea	Neritoidea	Stromboidea	Rissooidea
Cerithioidea	Vermetoidea	Xenophoroidea	Ptenoglossa	Janthinoidea	Eulimoidea	Buccinoidea	Columbelloidea	Conoidea	Mitroidea	Turbinelloidea
Volutoidea	Muricoidea	Naticoidea	Cypraeoidea	Lamellarioidea	Calyptraeoidea	Tonnoidea	Ficoidea	Architectonicoidea	Pyramidelloidea	Acteonoidea
Bulloidea	Spiratelloidea	Ellobioidea	Helicoidea	Nuculoidea	Nuculanoidea	Arcoidea	Limopsoidea	Mytiloidea	Pterioidea	Pinnoidea
Limoidea	Ostreoidea	Pectinoidea	Anomioidea	Unioidea	Lucinoidea	Galeomatoidea	Carditoidea	Chamoidea	Astartoidea	Cardioidea
Mactroidea	Solenoidea	Tellinoidea	Donacoidea	Dreissenoidea	Glossoidea	Corbiculoidea	Veneroidea	Myoidea	Gastrochaenoidea	Hiatelloidea
Pandoroidea	Clavagelloidea

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