†family Pretiosocyathidae Rozanov 1969 (archaeocyath sponge)
Archaeocyatha - Ajacicyathida - Pretiosocyathidae
Parent taxon: Pretiosocyathoidea according to F. Debrenne et al. 2015
Sister taxon: Robertocyathidae
Subtaxa: Jangudacyathus Loculicyathopsis Pretiosocyathus
Type: Pretiosocyathus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Cambrian of Mongolia (2 collections), the Russian Federation (12)
Total: 14 collections including 16 occurrences