†family Hetairacyathidae Bedford and Bedford 1937

Radiocyatha - Hetairacyathidae

Parent taxon: Radiocyatha according to P. D. Kruse et al. 2015

See also Finks et al. 2004

Sister taxa: Acanthinocyathida, Soanitidae, Uranosphaeridae

Subtaxa: Blastasteria Girphanovella Gonamispongia Radiocyathus

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Type: Radiocyathus

Distribution:

• Cambrian of Antarctica (1 collection), Australia (3), Mongolia (5), the Russian Federation (3)

Total: 12 collections each including a single occurrence

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