BELGIUM: Oligocene

SCREEN 33: Nuculanoidea

Nuculana pygmaea (3 mm) colno 63331, Rupelian	Nuculana deshayesiana (22 mm) colno 14899, Rupelian
Nuculana gracilis (27 mm) colno 47779, Rupelian, Clay of Boom	Portlandia deshayesiana (30 mm) colno 48407, Rupelian, Clay of Boom

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Dentaliida	Fissurelloidea	Cirroidea	Stromboidea	Rissooidea	Cerrithioidea
Xenophoroidea	Janthinoidea	Eulimoidea	Buccinoidea	Columbelloidea	Conoidea
Mitroidea	Volutoidea	Muricoidea	Naticoidea	Cypraeoidea	Calyptraeoidea
Tonnoidea	Ficoidea	Architectonicoidea	Pyramidelloidea	Acteonoidea	Bulloidea
Nuculoidea	Nuculanoidea	Arcoidea	Limopsoidea	Mytiloidea	Pinnoidea
Ostreoidea	Pectinoidea	Lucinoidea	Carditoidea	Crassatelloidea	Astartoidea
Cardioidea	Tellinoidea	Arcticoidea	Glossoidea	Veneroidea	Myoidea	Hiatelloidea