Demospongiae - Protomonaxonida - Sollasellidae
Parent taxon: Protomonaxonida according to R. M. Finks et al. 2004
See also Rigby and Bell 2006
Sister taxa: Choiidae, Halichondritidae, Hamptoniidae, Hazeliidae, Heliospongiidae, Leptomitidae, Lobatospongia, Mahalospongiidae, Piraniidae, Sinospongiidae, Takakkawiidae, Tethyidae, Ulospongiellidae, Wapkiidae
Subtaxa: Coniculospongia Ginkgospongia Luterospongia Mckittrickella Monaxoradiata Opetionella Rhizopsis Sollasella Sphaeriella Stramentella Trichospongia Trichospongiella
Type: Sollasella
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Eocene of Spain (1 collection)
• Cretaceous of Germany (3), the Russian Federation (2)
• Jurassic of the Russian Federation (1)
• Permian of United States (3: Texas)
• Carboniferous of the United Kingdom (2), United States (2: Alabama, Texas)
• Devonian of the Czech Republic (7), United States (3: Tennessee)
• Ordovician of Canada (1: Manitoba)
Total: 25 collections including 27 occurrences