Archaeocyatha - Archaeocyathida - Archaeocyathidae
Parent taxon: Archaeocyathoidea according to F. Debrenne et al. 2015
See also Kerner et al. 2011 and Raymond 1931
Sister taxa: Archaeopharetridae, Archaeosyconidae
Subtaxa: Araneocyathus Archaeocyathus Arrythmocricus Pycnoidocyathus Sigmofungia
Type: Archaeocyathus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Ordovician of China (1 collection)
• Delamaran of Canada (1: British Columbia), United States (1: Idaho)
• Cambrian of Antarctica (3), Australia (11), Canada (17: British Columbia, Newfoundland and Labrador, Northwest Territories, Yukon), China (5), Falkland Islands (Malvinas) (1), Mexico (8), Mongolia (3), the Russian Federation (45), Spain (2), United States (16: California, Nevada, New Jersey, Virginia)
Total: 114 collections including 205 occurrences