Anthozoa - Auloporida - Pyrgiidae
Parent taxon: Auloporoidea according to S. Niko and M. Badpa 2021
See also Hill 1981 and Murray 1985
Sister taxa: Aulocystidae, Auloheliidae, Auloporidae, Bajgoliidae, Fletcheriellidae, Kozlowskiocystiidae, Palaeofavosiporidae, Romingeriidae, Trachypsammiidae
Subtaxa: Amniopora Bainbridgia Bibucia Cladochonus Salpingium
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Wolfcamp of United States (4: Nevada collections)
• Permian of Australia (10), Bolivia (4), Cambodia (1), Canada (1: British Columbia), Indonesia (2), Iran (1), Japan (2), New Zealand (1), United States (2: Alaska, Nevada)
• Westphalian of Australia (1), United States (1: Kentucky)
• Osagean of United States (10: California, Indiana, Kentucky, Tennessee, Utah)
• Carboniferous to Permian of Svalbard and Jan Mayen (1)
• Carboniferous of Argentina (1), Australia (8), Egypt (1), Germany (2), Ireland (2), Japan (4), Spain (1), Svalbard and Jan Mayen (1), Ukraine (2), the United Kingdom (2), United States (78: Indiana, Kentucky, Nevada, Oklahoma, Tennessee, Utah)
• Devonian of Algeria (1), Australia (1), China (1), Germany (13), Morocco (3), Spain (2), United States (24: New York)
• Silurian of United States (5: Kentucky, Ohio)
Total: 193 collections including 214 occurrences