†family Hadrophyllidae Nicholson 1889 (horn coral)

Anthozoa - Stauriida - Hadrophyllidae

Parent taxon: Metriophyllina according to D. Hill 1981

See also Hill 1956

Sister taxa: Combophyllidae, Cyathaxoniidae, Famaxonia, Gymnophyllum, Kielcephyllidae, Laccophyllidae, Lindstroemiidae, Lyliophyllum, Metriophyllidae, Petraiidae, Rhipidophyllum, Ridderia

Subtaxa: Crassicyclus Hadrophyllum Microcyclus

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Carboniferous of United States (1: Georgia collection)

• Devonian of Canada (2: Northwest Territories), China (1), Germany (4), Morocco (4), Poland (1), Spain (1), United States (4: Indiana, New York)

Total: 18 collections each including a single occurrence

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