Superfamily Helicinoidea FĂ©russac 1822 (snail)

Gastropoda - Cycloneritimorpha

Parent taxon: Cycloneritimorpha according to P. Bouchet et al. 2005

Sister taxa: Hydrocenoidea, Naticopsoidea, Neritoina, Symmetrocapuloidea

Subtaxa: Dawsonellidae Deianiridae Helicinidae Neritiliidae Proserpinellidae Proserpinidae

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Type: Helicinidae

Ecology: epifaunal

Distribution:

• Quaternary of United States (4: Michigan, Texas, Virginia collections)

• Miocene of the Marshall Islands (1), the Philippines (1)

• Oligocene to Miocene of United States (3: Florida)

• Eocene of France (3), United States (1: California)

Total: 13 collections including 14 occurrences

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