Anthozoa - Heliolitida - Halysitidae
Parent taxon: Halysitidae according to D. Hill 1981
See also Klaamann 1966 and Murray 1985
Sister taxa: Cateniporinae, Drymopora, Manipora, Procatenipora, Tollina
Subtaxa: Acanthohalysites Cystihalysites Falsicatenipora Halysites Hexismia Schedohalysites Solenihalysites Spumaeolites
Ecology: stationary epifaunal suspension feeder-photosymbiotic
Distribution:
• Devonian of Canada (1: New Brunswick collection)
• Jaani of Estonia (5)
• Niagaran of United States (2: Indiana, Ohio)
• Silurian of Afghanistan (1), Australia (2), Belarus (2), Canada (71: British Columbia, Manitoba, New Brunswick, Northwest Territories, Northwest Territories and Yukon, Nunavut, Ontario, Quebec), China (24), the Czech Republic (8), Estonia (11), India (5), Kazakhstan (1), Mongolia (10), Norway (2), the Russian Federation (31), Sweden (43), Turkey (1), Ukraine (6), the United Kingdom (6), United States (74: Alaska, California, Illinois, Indiana, Iowa, Kentucky, Michigan, Nebraska, Nevada, New York, Ohio, Oklahoma, Pennsylvania, Wisconsin), Uzbekistan (1), Venezuela (1)
• Ordovician to Silurian of Canada (1: Northwest Territories)
• Ordovician of Australia (3), Belarus (1), Canada (16: Manitoba, Northwest Territories, Nunavut, Quebec), China (2), Latvia (4), Lithuania (3), Mongolia (3), the United Kingdom (1), United States (1: Missouri)
Total: 343 collections including 431 occurrences