Parent taxon: Heliolitina according to D. Hill 1981
Sister taxa: Jiangshanolites, Proporicae
Subtaxa: Heliolitidae Pseudoplasmoporidae Stelliporellidae Taeniolitidae
Ecology: stationary epifaunal suspension feeder-photosymbiotic
Distribution:
• Devonian of Afghanistan (2 collections), Australia (20), Austria (7), Belgium (3), Canada (2: Nunavut), China (3), the Czech Republic (2), France (1), Germany (30), Italy (4), Kazakhstan (1), Laos (1), Morocco (5), Poland (4), the Russian Federation (2), Spain (11), Tajikistan (9), Thailand (7), the United Kingdom (4), United States (5: Alaska), Uzbekistan (3), Vietnam (14), Western Sahara (1)
• Clinton of Canada (4: British Columbia)
• Silurian to Devonian of Pakistan (1)
• Niagaran of United States (1: Ohio)
• Silurian of Afghanistan (1), Australia (13), Belarus (1), Canada (65: New Brunswick, Northwest Territories, Nunavut, Ontario, Quebec, Yukon), China (31), the Czech Republic (8), Estonia (2), Greenland (1), India (1), Ireland (1), Kazakhstan (3), Malaysia (1), Mongolia (1), Norway (10), the Russian Federation (18), Sweden (24), Tajikistan (3), Ukraine (20), the United Kingdom (9), United States (47: Alaska, California, Illinois, Indiana, Iowa, Kentucky, New York, Oklahoma, Wisconsin), Uzbekistan (1)
• Ordovician of Australia (21), Canada (5: Northwest Territories, Nunavut), China (23), Estonia (4), Kazakhstan (2), Mongolia (1), Norway (2), the Russian Federation (12), the United Kingdom (2)
Total: 480 collections including 722 occurrences