†family Helicodiscidae Pilsbry 1927 (slug)

Gastropoda - Stylommatophora - Helicodiscidae

Parent taxon: Punctoidea according to M. Harzhauser et al. 2015

Sister taxa: Charopidae, Endodontidae, Oreohelicidae, Punctidae

Subtaxa: Helicodiscus Lucilla

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Ecology: epifaunal

Distribution:

• Quaternary of United States (8: Kansas, Texas, Virginia collections)

• Hemphillian of United States (1: Kansas)

• Miocene of Austria (1), Germany (2), Hungary (1), Italy (9), Poland (2)

Total: 24 collections including 32 occurrences

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