†Rahbahthalamia Weidlich and Senowbari-Daryan 1996 (demosponge)
Demospongea - Agelasida - Intrasporeocoeliidae
Full reference: O. Weidlich and B. Senowbari-Daryan. 1996. Late Permian 'Sphinctozoans' from reefal blocks of the Ba'id area, Oman Mountains. Journal of Paleontology 70(1):27-46
Parent taxon: Intrasporeocoeliidae according to O. Weidlich and B. Senowbari-Daryan 1996
Sister taxa: Belyaevaspongia, Delijania, Intrasporeocoelia, Intrasporocoelia, Rhabadactinia, Rhabdactinia
Subtaxa: Rahbahthalamia bullifera
Ecology: stationary epifaunal suspension feeder