†family Sanarkocyathidae Hill 1972 (archaeocyath sponge)
Archaeocyatha - Ajacicyathida - Sanarkocyathidae
Parent taxon: Tumulocyathoidea according to F. Debrenne et al. 2015
Sister taxa: Geocyathidae, Konjuschkovicyathidae, Tumulocyathidae
Subtaxa: Neokolbicyathus Ringifungia Sanarkocyathus
Type: Sanarkocyathus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Cambrian of Canada (2: British Columbia, Northwest Territories collections), the Russian Federation (7)
Total: 9 collections each including a single occurrence