†superfamily Omalogyroidea Sars 1878 (snail)

Gastropoda - Heterobranchia

Parent taxon: Heterobranchia according to J. A. Todd 2001

See also Beesley 1998

Sister taxa: Architectonicoidea, Doridoidea, Kuskokwimiidae, Nerineoidea, Pyramidelloidea, Rissoelloidea, Valvatoidea

Subtaxa: Omalogyridae

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Ecology: epifaunal carnivore

Distribution:

• Quaternary of Antarctica (1 collection), Argentina (1)

• Miocene of France (1)

• Oligocene of Germany (1)

• Eocene of United States (1: Washington)

Total: 5 collections including 6 occurrences

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