Parent taxon: Choristida according to R. M. Finks et al. 2004
Sister taxa: Arthaberia, Cephaloraphiditidae, Craniellida, Fusiferella, Helminthophyllidae, Pachastrellida, Plakinida, Scolioraphididae, Ungulaspongia
Subtaxa: Ancorinidae Geodiidae Paelospongiidae
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Miocene of Portugal (1 collection), Slovakia (1), Spain (3)
• Oligocene of North Atlantic (4)
• Eocene of Ukraine (1), the United Kingdom (11), United States (1: North Carolina)
• Paleocene to Eocene of New Zealand (1)
• Paleocene of United States (1: Alabama)
• Cretaceous of Germany (2), Poland (1), the United Kingdom (4)
• Jurassic of France (1), Germany (2), Portugal (1), the Russian Federation (1), the United Kingdom (4)
• Triassic of Austria (3), Italy (1), Oman (1)
Total: 45 collections including 59 occurrences