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 (35), Greenland (3), 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: 116 collections including 152 occurrences