†Allotropiochisma (Alligia) Fedorowski 1987 (horn coral)
Anthozoa - Stauriida - Hapsiphyllidae
Full reference: J. Fedorowski. 1987. Upper Paleozoic rugose corals from southwestern Texas and adjacent areas: Gaptank Formation and Wolfcampian corals. Palaeontologia Polonica 48:3-271
Parent taxon: Allotropiochisma according to J. Fedorowski 1987
Sister taxa: Allotropiochisma (Abeophyllum), Allotropiochisma (Allotropiochisma), Allotropiochisma euryphylloides, Allotropiochisma treskelense
Subtaxa: Allotropiochisma (Alligia) flabellum
Type: Allotropiochisma (Alligia) flabellum
Ecology: stationary epifaunal suspension feeder