Full reference: H. Mostler. 1970. Über einige Holothurien−Sklerite aus der Süd- und Nordalpinen Trias. Festband der Geologische Institut 300−Jahr−Feier Universität Innsbruck 339-360
Parent taxon: Echinodermata according to H. Kozur and H. Mostler 1989
Sister taxa: Arkarua, Asterozoa, Blastoidea, Blastozoa, Camptostromoidea, Coronata, Crinoidea, Ctenocystoidea, Ctenoimbricata, Cyclocystoidea, Cystoidea, Diploporita, Discoidea, Echinoconus, Echinozoa, Edrioasteroidea, Eleutherozoa, Graciacystis, Helicoplacoidea, Holothuroidea, Homoiostelea, Homostelea, Iheringiana, Macrocystellidae, Parablastoidea, Paracrinoidea, Pediculacaudinidae, Pelmatozoa, Peripneustes, Rhombifera, Scoteinocystis, Scutellidae, Scutellinidae, Stylophora, Tubocaudinidae
Subtaxa: Biacumina, Bicornuticaudina, Semperites
Type: Semperites