Subfamily Helicininae Férussac 1822 (snail)

Gastropoda - Cycloneritida - Helicinidae

Synonym: Bourcierinae Paetel 1890

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

Sister taxa: Ceratodiscinae, Dimorphoptychiinae, Hendersoniinae, Stoastomatinae, Vianinae

Subtaxa: Bourciera Helicina Olygyra Tropidomphalus

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Type: Helicina

Ecology: epifaunal

Distribution:

• Quaternary of United States (1: Texas collection)

• Miocene of Austria (5), Germany (1), Hungary (1)

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

• Eocene of France (3)

Total: 14 collections including 15 occurrences

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