†superfamily Naimarkcyathoidea Wrona and Zhuravlev 1996 (archaeocyath sponge)
Archaeocyatha - Archaeocyathida
Parent taxon: Archaeocyathina according to F. Debrenne et al. 2015
Sister taxa: Archaeocyathoidea, Beltanacyathoidea, Dictyocyathoidea, Metacyathoidea, Tabellaecyathoidea, Warriootacyathoidea
Subtaxa: Naimarkcyathidae
Type: Naimarkcyathus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution: found only at Glacial erratics on King George Is., reef facies (probably from Argentina Range) (Cambrian of Antarctica)