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Opetionella Zittel 1878 (demosponge)

Demospongea - Protomonaxonida - Sollasellidae

PaleoDB taxon number: 3590

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

Sister taxa: Luterospongia, Mckittrickella, Monaxoradiata, Rhizopsis, Sollasella, Stramentella, Trichospongiella

Subtaxa: Opetionella poculum, Opetionella radians

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Type: Opetionella radians

Ecology: stationary intermediate-level epifaunal suspension feeder