Anthozoa - Heliolitida - Halysitidae
Parent taxon: Halysitina according to D. Hill 1981
See also Kiessling 2003 and Klaamann 1966
Sister taxa: none
Subtaxa: Cateniporinae Drymopora Halysitinae Manipora Procatenipora Tollina
Ecology: stationary epifaunal suspension feeder-photosymbiotic
Distribution:
• Devonian of Canada (1: New Brunswick collection), United States (3: Indiana, Kentucky)
• Jaani of Estonia (5)
• Niagaran of United States (2: Indiana, Ohio)
• Silurian of Afghanistan (1), Australia (3), Belarus (2), Canada (88: British Columbia, Manitoba, New Brunswick, Northwest Territories, Northwest Territories and Yukon, Nunavut, Ontario, Quebec, Québec), China (26), the Czech Republic (8), Estonia (33), India (5), Ireland (1), Kazakhstan (1), Mongolia (11), Norway (8), the Russian Federation (46), Svalbard and Jan Mayen (1), Sweden (49), Turkey (1), Ukraine (6), the United Kingdom (6), United States (92: Alaska, California, Illinois, Indiana, Iowa, Kentucky, Michigan, Nebraska, Nevada, New York, Ohio, Oklahoma, Pennsylvania, Wisconsin), Uzbekistan (1), Venezuela (1)
• Ordovician to Silurian of Canada (4: British Columbia, Northwest Territories, Québec), United States (1: Alaska)
• Ordovician of Australia (7), Belarus (1), Canada (83: Manitoba, Northwest Territories, Nunavut, Quebec, Québec), China (25), Estonia (43), Kazakhstan (2), Latvia (5), Lithuania (3), Malaysia (1), Mongolia (5), Norway (2), the Russian Federation (31), the United Kingdom (2), United States (26: Alaska, California, Colorado, Michigan, Missouri, Nevada, New Mexico, Texas, Wyoming)
• Ibexian of United States (1: Nevada)
Total: 643 collections including 882 occurrences