ammonites
Allotropiochisma treskelense Chwieduk 2007 (horn coral)

Anthozoa - Stauriida - Hapsiphyllidae

Full reference: E. Chwieduk. 2007. Middle Permian rugose corals from the Kapp Starostin Formation, South Spitsbergen (Treskelen Peninsula). Acta Geologica Polonica 57(3):281-304

Belongs to Allotropiochisma according to E. Chwieduk 2007

Sister taxa: Allotropiochisma (Abeophyllum), Allotropiochisma (Alligia), Allotropiochisma (Allotropiochisma), Allotropiochisma euryphylloides

Type specimen: Its type locality is Treskelen Peninsula, 6.5 m, which is in a Wuchiapingian shallow subtidal limestone in the Kapp Starostin Formation of Svalbard and Jan Mayen

Ecology: stationary epifaunal suspension feeder