Anthozoa - Stauriida - Hapsiphyllidae

Alternative spelling: Longiklava

Full reference: W. H. Easton. 1962. Carboniferous formations and faunas of central Montana. United States Geological Survey Professional Paper 348:1-126

Parent taxon: Hapsiphyllinae according to D. Hill 1981

See also Sepkoski 2002

Sister taxa: Allophyllum, Amplexizaphrentis, Barytichisma, Canadiphyllum, Clinophyllum, Duplophyllum, Famennelasma, Hapsiphyllum, Meniscophyllum, Neozaphrentis, Zaphrentites, Zaphrentula

Subtaxa: Longiclava tumida

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Type: Longiclava tumida

Ecology: stationary epifaunal suspension feeder

Distribution: found only at USGS "blue file" Loc. 13390 (Carboniferous of Montana)

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Specimen images are retrieved through the ePANDDA API.