Stenolaemata - Cryptostomata - Arthrostylidae
Parent taxon: Rhabdomesina according to A. Ernst et al. 2015
See also Astrova and Morozova 1956, Bassler 1911, Bassler 1953, Jiménez-Sánchez 2009, Lobdell 1992, Ross 1963 and Sakagami 1998
Sister taxa: Archaeomeson, Bigeyella, Hyphasmoporidae, Nematotrypidae, Streblotrypidae
Subtaxa: Arthroclema Arthrostyloecia Arthrostylus Arthrotrypa Cuneatopora Glauconome Glauconomella Heloclema Helopora Heminematopora Hemiulrichostylus Hexites Moyerella Nematopora Nematoporella Paracuneatopora Permoheloclema Pseudonematopora Sceptropora Ulrichostylus
Type: Arthrostylus
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Canada (5: British Columbia, Nunavut collections), Greenland (5), Pakistan (1), the Russian Federation (9), Svalbard and Jan Mayen (5), United States (1: Washington)
• Carboniferous of Australia (1), France (1), Germany (1), Ireland (1), Spain (4), the United Kingdom (5), United States (9: Indiana, Tennessee)
• Devonian of Argentina (1), the Czech Republic (3), Germany (7), United States (14: Indiana, Michigan, Ohio)
• Silurian of Belarus (1), Canada (4: Ontario), China (1), India (1), Norway (2), the Russian Federation (8), Sweden (2), the United Kingdom (4), United States (42: New York)
• Chazyan of Canada (5: Northwest Territories), United States (2: Vermont)
• Volkhov of Estonia (1)
• Ordovician of Argentina (2), Australia (1), Canada (15: Manitoba, Northwest Territories, Nunavut, Ontario, Quebec), Estonia (6), France (1), India (3), Italy (1), Mongolia (1), Morocco (1), Norway (2), the Russian Federation (1), Spain (12), Sweden (9), United States (63: Georgia, Illinois, Indiana, Minnesota, Nevada, New York, North Dakota, Ohio, Tennessee, Virginia, Wyoming)
Total: 264 collections including 351 occurrences