Demospongiae - Protomonaxonida - Choiidae
Parent taxon: Protomonaxonida according to R. M. Finks et al. 2004
Sister taxa: Halichondritidae, Hamptoniidae, Hazeliidae, Heliospongiidae, Leptomitidae, Lobatospongia, Mahalospongiidae, Piraniidae, Sinospongiidae, Sollasellidae, Takakkawiidae, Tethyidae, Ulospongiellidae, Wapkiidae
Subtaxa: Allantospongia Choia Choiaella Lenica
Type: Choia
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Devonian of Germany (1 collection)
• Ordovician of Morocco (2), the United Kingdom (1)
• Delamaran of Canada (11: British Columbia), United States (1: Utah)
• Cambrian of Australia (1), Canada (1: British Columbia), China (25), Greenland (4), the Russian Federation (2), United States (11: Utah)
Total: 60 collections including 85 occurrences