ammonites
Pohlispongia Rigby and von Bitter 2005 (demosponge)

Demospongea - Protomonaxonida - Halichondritidae

Full reference: J. K. Rigby and P. von Bitter. 2005. Sponges and associated fossils from the Pennsylvanian Carbondale Formation of northwestern Illinois. Journal of Paleontology 79(3):460-468

Parent taxon: Halichondritidae according to J. K. Rigby and P. von Bitter 2005

Sister taxon: Halichondrites

Subtaxa: none

Ecology: stationary intermediate-level epifaunal suspension feeder