†suborder Helomorina Schrammen 1924 (demosponge)
Parent taxon: Megalithistida according to R. M. Finks et al. 2004
Sister taxon: Megamorina
Subtaxa: Carterellidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Eocene of Saudi Arabia (1 collection)
• Paleocene to Eocene of New Zealand (1)
• Cretaceous of France (1), Germany (11), Poland (6), Spain (1), the United Kingdom (2)
• Jurassic of Germany (7)
Total: 30 collections including 36 occurrences