Hexactinellida - Lychniscosa - Dactylocalycidae
Parent taxon: Lychniscosa according to R. M. Finks et al. 2004
See also Worheide et al. 2012
Sister taxa: Aulophax, Callodictyidae, Callodictyonidae, Calyptrellidae, Camerospongiidae, Cavispongia, Coeloptychidae, Cypelliidae, Dracolychnus, Etheridgea, Leucopsacasiidae, Pachyrachis, Pachyteichismatidae, Plectascus, Polyblastidiidae, Rhizopoteronopsis, Rhizopterion, Sclerokalia, Sestrocladia, Sporadopylidae, Ventriculitidae, Xylospongia, Triadocoelia
Subtaxa: Dactylocalycinae Dactylocalyx Jima Meandrospongia Ophrystomatinae Pyrospongia Scleroplegma
Type: Dactylocalyx
Ecology: stationary epifaunal suspension feeder
Distribution:
• Miocene of Spain (1 collection)
• Eocene of United States (2: North Carolina)
• Cretaceous of the Czech Republic (1), France (3), Germany (5), Poland (1), Spain (1), the United Kingdom (2)
• Jurassic of Poland (1)
Total: 17 collections including 19 occurrences