Demospongea - Ceractinomorpha

Full reference: J. K. Rigby, R. B. Blodgett, and N. K. Anderson. 2009. Emsian (Early Late Devonian) sponges from west-central and south-central Alaska. Journal of Paleontology 83(2):293-298

Parent taxon: Ceractinomorpha according to J. K. Rigby et al. 2009

Sister taxa: Agelasida, Burgundiidae, Dendroceratida, Halichondrida, Halisarcida, Sigmatosclerophorida, Vaceletida

Subtaxa: Medfraspongia tubulara

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Type: Medfraspongia tubulara

Ecology: stationary epifaunal suspension feeder