Alternative spelling: Syringoporicae
Parent taxon: Auloporida according to S. Niko and M. Badpa 2020
See also Hill 1981
Sister taxa: Auloporoidea, Schlueterichonus
Subtaxa: Chonostegitidae Gorskyitidae Multithecoporidae Periphaceloporidae Roemeriidae Syringoporidae Tetraporellidae Thecostegitidae
Distribution:
• Permian of Afghanistan (3 collections), Canada (4: British Columbia, Nunavut), China (51), Iran (2), Japan (3), Myanmar (1), Norway (17), Oman (2), the Russian Federation (7), Svalbard and Jan Mayen (2), Tajikistan (2), Thailand (1), Türkiye (1), United States (45: Alaska, California, Nevada, Texas, Utah)
• Carboniferous to Permian of Norway (2), Svalbard and Jan Mayen (1)
• Carboniferous of Algeria (3), Australia (9), Belgium (1), Canada (38: Alberta, Northwest Territories, Nova Scotia, Nunavut, Yukon), China (4), Egypt (1), Germany (1), Ireland (5), Italy (1), Japan (1), Mexico (2), Morocco (14), the Netherlands (2), Poland (2), the Russian Federation (7), Spain (4), Svalbard and Jan Mayen (6), Ukraine (5), the United Kingdom (87), United States (117: Alaska, Arizona, Arkansas, California, Colorado, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Missouri, Montana, Nevada, New Mexico, Texas, Utah, Virginia, Wyoming)
• Couvinien of Australia (1)
• Devonian of Afghanistan (6), Australia (18), Austria (2), Belgium (1), Canada (15: Alberta, Manitoba, Northwest Territories, Nunavut, Ontario), China (10), Czechia (15), France (6), Germany (23), Japan (2), Laos (1), Morocco (2), Poland (8), the Russian Federation (14), Spain (2), Thailand (1), the United Kingdom (3), United States (48: Alaska, California, Idaho, Indiana, Kentucky, Montana, and Wyoming, Nevada, New York), Vietnam (6)
• Jaani of Estonia (1)
• Niagaran of United States (1: Indiana)
• Silurian of Australia (5), Belarus (1), Canada (44: British Columbia, New Brunswick, Northwest Territories, Nunavut, Ontario, Quebec), China (20), Estonia (4), Ireland (3), Japan (1), Mongolia (7), Norway (7), Poland (1), the Russian Federation (35), Sweden (13), Ukraine (11), the United Kingdom (4), United States (45: Alaska, California, Illinois, Indiana, Iowa, Michigan, Nebraska, New York, Ohio, Wisconsin)
• Ordovician to Silurian of Canada (2: British Columbia), United States (1: Alaska)
• Ordovician of Canada (7: Newfoundland and Labrador, Northwest Territories, Nunavut), China (4), the Russian Federation (25), United States (3: Alaska)
Total: 883 collections including 1127 occurrences