Parent taxon: Stauriida according to D. Hill 1981
See also Brownlaw and Jell 2008, Hill 1956 and Sando 1983
Sister taxa: Arachnophyllina, Aulophyllina, Calostylina, Caniniina, Columnaxonidae, Cyathophyllina, Diffingiina, Heritschioides hammani, Ketophyllina, Kleopatrinidae, Lithostrotionina, Lomaphyllum, Lonsdaleiina, Lophophyllidiidae, Lophotichiidae, Lycophyllina, Mccloudius parvus, Metriophyllina, Mictocystoides, Nanophyllum, Paraceriaster, Petalaxidae, Petraphyllidae, Plerophyllina, Ptenophyllina, Romanophyllidae, Stauriina, Stereolasmatina, Streptelasmatina, Tachylasmatina, Yatsengiidae
Subtaxa: Acervulariidae Acrocyathidae Disphyllidae Durhaminidae Lithostrotionidae Lonsdaleiidae Phillipsastreidae
Ecology: stationary epifaunal suspension feeder