†order Chaetetida Okulitch 1936 (demosponge)
Parent taxon: Demospongea according to W. Kiessling 2004
Sister taxa: Aplysinofibra, Astrophorida, Ceractinomorpha, Choristida, Clavulina, Coniculospongia, Consinocodium, Dictyoceratida, Epipolasida, Ginkgospongia, Guadalupiida, Haplosclerida, Homoscleromorpha, Ichnospongia, Incrustospongia, Infexiostella, Janussenia, Karatubulus, Lithistida, Metschnikowia, Offella, Operculospongia, Paraaplysinofibria, Permosphincta, Poecilosclerida, Protohyalostelia, Protomonaxonida, Reniera, Riasanospongia, Sphaeriella, Tabasiidae, Tabulospongida, Tetractinomorpha, Trichospongia, Verongiida, Verticillitida
Subtaxa: Chaetetidae, Cryptolichenariidae, Desmidoporidae, Lamottiidae, Tiverinidae
Ecology: stationary epifaunal suspension feeder