Order Vaceletida Finks et al. 2004 (demosponge)
Full reference: R. M. Finks, R. E. H. Reid, and J. K. Rigby. 2004. Porifera (Demospongea, Hexactinellida, Heteractinida, Calcarea). Treatise on Invertebrate Paleontology Part E, Revised E(3):1-872
Parent taxon: Ceractinomorpha according to R. M. Finks et al. 2004
Sister taxa: Agelasida, Burgundiidae, Dendroceratida, Halichondrida, Halisarcida, Medfraspongia, Sigmatosclerophorida
Subtaxa: Cheilosporitiidae, Colospongiidae, Cribrothalamiidae, Gigantothalamiidae, Platysphaerocoelia, Salzburgiidae, Sebargasiidae, Solenolmiidae, Tebagathalamiidae, Verticillitidae
Ecology: stationary epifaunal suspension feeder