†family Costamorphiidae Mostler 1986 (demosponge)
Demospongiae - Pachastrellida - Costamorphiidae
Full reference: H. Mostler. 1986. Neue Kieselschwämme aus den Zlambachschichten (Obertrias, Nördliche Kalkalpen) [New siliceous sponges from the Zlambach Beds (Upper Triassic, northern Calcareous Alps)]. Geologisch-Paläontologische Mitteilungen Innsbruck 13:331-361
Parent taxon: Pachastrellida according to R. M. Finks et al. 2004
Sister taxa: Pachastrellidae, Theneidae
Subtaxa: Costamorpha
Type: Costamorpha
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Triassic of Austria (2 collections)
Total: 2 collections each including a single occurrence