Parent taxon: Stauriida according to J. Fedorowski 2021
Sister taxa: Arachnophyllina, Aulophyllina, Calostylina, Caniniina, Columnariina, 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, Yatsengiidae
Subtaxa: Pentaphyllidae Tachylasmatidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Afghanistan (4 collections), Armenia (6), Azerbaijan (23), Cambodia (2), China (37), Greenland (3), Hong Kong (1), Indonesia (10), Iran (13), Japan (1), the Russian Federation (3), Tajikistan (3), Timor-Leste (1), Tunisia (1)
• Carboniferous of Germany (1), Mexico (1), Poland (1), Spain (1), United States (2: Indiana, Virginia)
• Devonian of Germany (1), Türkiye (2), United States (1: Montana, and Wyoming)
• Silurian of United States (1: Oklahoma)
Total: 119 collections including 157 occurrences