†Sestrocladia (glass sponge)
Parent taxon: Lychniscosa according to J. J. Sepkoski 2002
Sister taxa: Alosculum, Aulophax, Beaussetia, Calathiscus, Callodictyidae, Callodictyonidae, Calyptrellidae, Camerospongiidae, Cavispongia, Cephalites, Ceriodictyon, Coeloptychidae, Cypelliidae, Dactylocalycidae, Dactylocalyx, Diplodictyon, Dracolychnus, Elasma, Etalloniella, Flabellispongia, Gyrispongia, Jima, Kentrosia, Licmosinion, Meandrospongia, Moretia, Ornatus, Pachyrachis, Pachyteichismatidae, Phanerochiderma, Plectascus, Polyblastidiidae, Pyrospongia, Rhizopoteronopsis, Rhizopterion, Sclerokalia, Scolecosia, Spirospongia, Sporadopylidae, Triadocoelia, Ventriculitidae, Xylospongia, Zittelispongia
Subtaxa: none
Ecology: stationary epifaunal suspension feeder