†subfamily Dactylocalycinae Gray 1867 (glass sponge)
Hexactinellida - Lychniscosa - Dactylocalycidae
Parent taxon: Dactylocalycidae according to R. M. Finks et al. 2004
Sister taxa: Dactylocalyx, Jima, Meandrospongia, Ophrystomatinae, Pyrospongia, Scleroplegma
Subtaxa: Calathiscus Exanthesis Moretiella Paraplocia Scolecosia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Eocene of United States (2: North Carolina collections)
• Cretaceous of France (3), Germany (4), Poland (1), Spain (1), the United Kingdom (2)
Total: 13 collections including 14 occurrences