ammonites
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

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Type: Allotropiochisma (Alligia) flabellum

Ecology: stationary epifaunal suspension feeder