†subfamily Platyschismatinae Knight 1956 (snail)

Gastropoda - Eogastropoda - Sinuopeidae

Full reference: J. B. Knight. 1956. New families of Gastropoda. Journal of the Washington Academy of Sciences 46(2):41-42

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

See also Knight et al. 1960

Sister taxa: Euconia, Gasconadia, Naticasinus, Schizopea, Sinuopeinae

Subtaxa: Umbospira

View classification

Type: Platyschisma

Ecology: epifaunal


• Devonian of Australia (3 collections)

• Silurian of Canada (1: Nova Scotia), China (2), the Czech Republic (1)

• Ordovician of Canada (1: Nunavut)

Total: 8 collections each including a single occurrence

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