Parent taxon: Stauriida according to D. Hill 1981
Sister taxa: Arachnophyllina, Aulophyllina, Calostylina, Caniniina, Columnariina, Columnaxonidae, 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: Bethanyphyllidae Campophyllidae Cyathophyllidae Eridophyllidae Ptychophyllidae Zaphrentidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Australia (3 collections), Azerbaijan (1), Canada (1: Nunavut), Indonesia (1), Italy (1), Madagascar (1), Myanmar (1), the Russian Federation (1), United States (13: Alaska, Texas), Vietnam (1)
• Carboniferous of Argentina (2), Canada (2: Nunavut), Ireland (1), the Russian Federation (2), the United Kingdom (10), United States (30: Alaska, California, Georgia, Idaho, Iowa, Nevada, Pennsylvania, Texas, Utah, Virginia)
• Givetian of China (1)
• Couvinien of Australia (2)
• Devonian of Afghanistan (3), Australia (17), Austria (2), Canada (44: Alberta, British Colombia-Alberta, British Columbia, British Columbia-Alberta, Manitoba, New Brunswick, Northwest Territories, Ontario, Quebec), China (8), the Czech Republic (4), France (1), Germany (21), Iran (1), Kazakhstan (14), Mongolia (1), Morocco (3), Myanmar (2), New Zealand (6), Poland (2), the Russian Federation (2), South Africa (4), Spain (19), Tajikistan (2), Thailand (1), the United Kingdom (5), United States (169: Alaska, Arizona, California, Colorado, Indiana, Iowa, Kentucky, Michigan, Nevada, New Mexico, New York, Ohio, Pennsylvania), Venezuela (1), Vietnam (1)
• Silurian of Australia (1), Canada (26: British Columbia, Manitoba, Northwest Territories, Ontario, Quebec), China (1), Estonia (1), India (2), Japan (1), Mongolia (1), Norway (4), the Russian Federation (11), Sweden (3), the United Kingdom (1), United States (72: Alaska, California, Georgia, Illinois, Indiana, Iowa, Kentucky, Maryland, Nevada, New York, Oklahoma, Wisconsin)
• Ordovician to Silurian of the Russian Federation (1)
• Ordovician of Canada (4: Nunavut, Ontario, Quebec), China (1), United States (2: Illinois)
Total: 539 collections including 791 occurrences