Trilobita - Proetida - Phillipsiidae
Parent taxon: Phillipsiidae according to R. A. Fortey and A. P. Heward 2015
See also Hahn et al. 1985 and Owens 2003
Sister taxa: Archegoninae, Bollandiinae, Cummingellinae, Thaiaspidinae, Weaniinae
Subtaxa: Acanthophillipsia Acropyge Ameura Ampulliglabella Anisopyge Delaria Ditomopyge Hentigia Iranaspidion Jimbokranion Microphillipsia Novoameura Permoproetus Pseudophillipsia Simulopaladin Timoraspis Vidria
Type: Ditomopyge
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Permian of Afghanistan (8 collections), Armenia (2), Australia (9), Azerbaijan (1), Bolivia (3), Canada (4: British Columbia, Nunavut, Yukon), China (44), Guatemala (1), Indonesia (2), Iran (11), Italy (4), Japan (12), Malaysia (4), Mexico (2), Oman (7), Pakistan (1), Slovenia (6), Svalbard and Jan Mayen (3), Thailand (5), Tunisia (2), Turkey (1), Ukraine (3), United States (98: Arizona, Kansas, Nebraska, Nevada, New Mexico, Texas, Utah, Wyoming), Venezuela (2)
• Virgilian of United States (12: Illinois, New Mexico, Ohio, West Virginia)
• Desmoinesian of United States (29: Kansas, Ohio, Oklahoma)
• Atokan of United States (7: Ohio)
• Chesterian of United States (1: Montana)
• Carboniferous of Canada (1: Nunavut), Iran (1), Italy (1), Slovenia (5), United States (41: Alaska, Arizona, Montana, Nebraska, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas, Utah)
• Mississippian of United States (1: Arizona)
Total: 334 collections including 454 occurrences