Archaeocyatha - Ajacicyathida - Bronchocyathidae
Parent taxon: Bronchocyathoidea according to F. Debrenne et al. 2015
Sister taxa: Ajacicyathidae, Bipallicyathidae, Densocyathidae, Ethmocyathidae, Sajanocyathidae
Subtaxa: Compositocyathus Conannulofungia Cyathocricus Cyclocyathella Denaecyathus Gordonicyathus Gordonifungia Morenicyathus Pseudotennericyathellus Sagacyathus Stillicidocyathus Svetlanocyathus Taylorcyathus Taylorfungia Thalamocyathus Trininaecyathus
Type: Thalamocyathus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Cambrian of Antarctica (3 collections), Australia (9), Canada (1: Northwest Territories), China (3), Falkland Islands (Malvinas) (2), Italy (5), Mongolia (4), the Russian Federation (49), Spain (6)
Total: 82 collections including 170 occurrences