†family Calyptrellidae Schrammen 1912 (glass sponge)
Hexactinellida - Lychniscosa - Calyptrellidae
Parent taxon: Lychniscosa according to R. M. Finks et al. 2004
Sister taxa: Aulophax, Callodictyidae, Callodictyonidae, Camerospongiidae, Cavispongia, Coeloptychidae, Cypelliidae, Dactylocalycidae, Dracolychnus, Etheridgea, Leucopsacasiidae, Pachyrachis, Pachyteichismatidae, Plectascus, Polyblastidiidae, Rhizopoteronopsis, Rhizopterion, Sclerokalia, Sestrocladia, Sporadopylidae, Ventriculitidae, Xylospongia, Triadocoelia
Subtaxa: Calyptrella Kentrosia
Type: Calyptrella
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Oberg (Cretaceous of Germany)