Demospongea - Protomonaxonida - Sollasellidae

Full reference: J. K. Rigby. 1971. Sponges of the Ordovician Cat Head Member, Lake Winnipeg, Manitoba. Geological Survey of Canada Bulletin 202:35-79

Parent taxon: Sollasellidae according to J. K. Rigby 1971

Sister taxa: Luterospongia, Mckittrickella, Monaxoradiata, Opetionella, Rhizopsis, Stramentella

Subtaxa: Trichospongiella hystrix

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Ecology: stationary intermediate-level epifaunal suspension feeder