†subfamily Hexagonariinae Bulvanker 1958 (horn coral)

Anthozoa - Stauriida - Disphyllidae

Parent taxon: Disphyllidae according to D. Hill 1981

Sister taxa: Billingsastraea, Cantabriastraea, Diffusolasma, Disphyllinae, Pantophyllum, Paradisphyllinae, Pseudohexagonaria, Spongonariinae

Subtaxa: Haplothecia Hexagonaria Marisastrum

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Devonian of Afghanistan (12 collections), Australia (8), Belgium (5), Canada (22: Alberta, British Colombia-Alberta, British Columbia-Alberta, British columbia, Manitoba, Northwest Territories, Nunavut, Ontario, Yukon), China (9), France (6), Germany (10), Iran (5), Kazakhstan (1), Morocco (1), New Zealand (4), Poland (8), the Russian Federation (3), Spain (11), Tajikistan (2), the United Kingdom (5), United States (37: Alaska, Arizona, Indiana, Iowa, Kentucky, Michigan, Nevada, New Mexico, Ohio), Vietnam (3)

• Silurian of United States (3: California)

Total: 155 collections including 215 occurrences

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