†family Ulospongiellidae Rigby and Collins 2004 (demosponge)

Demospongea - Protomonaxonida - Ulospongiellidae

Full reference: J. K. Rigby and D. Collins. 2004. Sponges of the Middle Cambrian Burgess Shale and Stephen Formations, British Columbia. Royal Ontario Museum Contributions in Science 1:1-155

Parent taxon: Protomonaxonida according to R. M. Finks et al. 2004

Sister taxa: Choiidae, Halichondritidae, Hamptoniidae, Hazeliidae, Leptomitidae, Lobatospongia, Piraniidae, Sollasellidae, Takakkawiidae, Tethyidae, Wapkiidae

Subtaxa: Hapalospongia Ulospongiella

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Ecology: stationary intermediate-level epifaunal suspension feeder


• Cambrian of Canada (2: British Columbia collections)

Total: 2 collections including 3 occurrences

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