Suborder Megamorina Zittel 1878 (demosponge)
Parent taxon: Megalithistida according to R. M. Finks et al. 2004
Sister taxon: Helomorina
Subtaxa: Archaeodorydermatidae Nexospongiidae Pleromatidae Saccospongiidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Miocene of Spain (2 collections)
• Whaingaroan of New Zealand (1)
• Paleocene to Eocene of New Zealand (1)
• Cretaceous of France (4), Germany (13), Greece (1), Poland (6), Spain (3), the United Kingdom (3)
• Jurassic of Germany (6)
• Silurian of Canada (1: Nunavut)
• Arenigian of Argentina (1)
• Ordovician of Argentina (2), Australia (1), Canada (2: Newfoundland and Labrador), United States (3: Tennessee)
Total: 50 collections including 107 occurrences