†superfamily Pretiosocyathoidea Rozanov 1969 (archaeocyath sponge)

Archaeocyatha - Ajacicyathida

Parent taxon: Ajacicyathina according to F. Debrenne et al. 2015

Sister taxa: Annulocyathoidea, Bronchocyathoidea, Erbocyathoidea, Ethmophylloidea, Lenocyathoidea, Sigmocyathoidea, Tercyathoidea, Tumulocyathoidea

Subtaxa: Pretiosocyathidae Robertocyathidae

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Type: Pretiosocyathus

Ecology: stationary intermediate-level epifaunal suspension feeder

Distribution:

• Cambrian of Australia (1 collection), Mongolia (2), the Russian Federation (19)

Total: 22 collections including 28 occurrences

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