Order Lithonida Doederlein 1892 (calcareous sponge)
Parent taxon: Calcaronea according to J. Vacelet 2015
See also Finks et al. 2004 and Senowbari-Daryan and Rigby 2015
Sister taxa: Baerida, Leucosolenida, Sphaerocoeliida, Stellispongiida, Sycettida
Subtaxa: Elasmostomatidae Minchinellidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Miocene of Spain (1 collection)
• Eocene of United States (5: North Carolina)
• Paleocene of Denmark (1), France (1)
• Cretaceous of France (9), Germany (6), Poland (14), the United Kingdom (2)
• Jurassic of Canada (2: Nova Scotia), Germany (1)
Total: 42 collections including 58 occurrences