Stenolaemata - Cystoporida - Hexagonellidae
Parent taxon: Hexagonellina according to E. H. Gilmour and E. M. Snyder 2000
See also Ariunchimeg 1996, Astrova and Morozova 1956 and Bassler 1953
Sister taxa: none
Subtaxa: Coscinium Coscinotrypa Dichotrypa Etherella Fistulamina Galtopora Glyptopora Hexagonella Meekopora Meekoporella Pakridictya Phractopora Planopora Prismopora Scalaripora
Type: Hexagonella
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Afghanistan (4 collections), Armenia (1), Australia (9), Austria (2), Bolivia (7), China (23), Indonesia (2), Iran (5), Italy (1), Japan (5), Mongolia (2), Myanmar (1), Oman (8), Pakistan (15), Peru (12), the Russian Federation (41), Svalbard and Jan Mayen (15), Tajikistan (5), Thailand (6), the United Arab Emirates (1), United States (15: Arizona, Kansas, Nevada, Texas, Utah, Washington)
• Namurian of Australia (1)
• Carboniferous of Antarctica (1), Australia (16), Canada (1: Alberta), China (1), France (3), Germany (1), Japan (2), Mexico (2), Mongolia (2), Peru (2), Spain (4), United States (74: Alabama, Alaska, Arizona, Arkansas, Colorado, Georgia, Illinois, Indiana, Kansas, Kentucky, New Mexico, Oklahoma, Pennsylvania, Tennessee, Virginia)
• Devonian of Colombia (1), Venezuela (1)
• Chazyan of Canada (1: Ontario)
• Ordovician of Estonia (1)
Total: 294 collections including 343 occurrences