†family Acrocyathidae Sando 1983 (horn coral)
Anthozoa - Stauriida - Acrocyathidae
Full reference: W. J. Sando. 1983. Revision of Lithostrotionella (Coelenterata, Rugosa) from the Carboniferous and Permian. United States Geological Survey Professional Paper 1247:1-52
Parent taxon: Columnariina according to W. J. Sando 1983
Sister taxa: Acervulariidae, Disphyllidae, Durhaminidae, Lithostrotionidae, Lonsdaleiidae, Phillipsastreidae
Subtaxa: Acrocyathus
Ecology: stationary epifaunal suspension feeder
Distribution:
• Carboniferous of Canada (2: Alberta collections), the United Kingdom (2), United States (5: Alabama, Georgia, Nevada)
Total: 9 collections each including a single occurrence