Strophomenata - Strophomenida - Bimuriidae
Parent taxon: Plectambonitoidea according to L. R. Cocks 2010
See also Cocks 2005, Mitchell 1977 and Williams et al. 2000
Sister taxa: Aegiromenidae, Allwynellidae, Alwynellidae, Christianiidae, Grorudiidae, Hesperomenidae, Leptellinidae, Leptestiidae, Paucicostella, Plectambonitidae, Sowerbyellidae, Strophodontidae, Syndielasmatidae, Taffiidae, Tafflidae, Xenambonitidae, Anoptambonitidae
Subtaxa: Asperdelia Bimuria Craspedelia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Chazyan of United States (2: Alabama, Tennessee collections)
• Ordovician of Canada (5: British Columbia, Newfoundland), China (1), Ireland (2), Kazakhstan (15), Norway (1), the Russian Federation (1), Sweden (5), the United Kingdom (23), United States (15: Alabama, Alaska, California, Nevada, Pennsylvania, Virginia)
Total: 70 collections including 78 occurrences