Artiopoda - Proetida - Phillipsiidae
Parent taxon: Phillipsiidae according to D. K. Brezinski 2025
Sister taxa: Archegoninae, Bollandiinae, Cummingellinae, Cyrtosymbolinae, Ditomopyginae, Griffithidinae, Linguaphillipsiinae, Malchi, Osmolskia, Rhenogriffides, Thaiaspidinae, Weaniinae
Subtaxa: Ameropiltonia Breviphillipsia Elliptophillipsia Eocyphinium Erdbachaspis Phillipsia Piltonia
Type: Phillipsia
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Permian of Indonesia (1 collection), Laos (1), Ukraine (2), United States (2: Alaska, Nevada)
• Carboniferous to Permian of Laos (1)
• Carboniferous of Australia (2), Belgium (12), Bosnia and Herzegovina (1), Canada (1: Yukon), Czechia (1), Germany (6), India (2), Ireland (3), Italy (1), Spain (1), the United Kingdom (18), United States (27: Alaska, California, Indiana, Iowa, Kentucky, Missouri, Nevada, New Mexico, Ohio, Oklahoma, Tennessee, Utah, Virginia)
• Ordovician of Sweden (8)
Total: 90 collections including 108 occurrences