Trilobita - Proetida - Phillipsiidae
Parent taxon: Phillipsiidae according to G. Hahn et al. 2012
Sister taxa: Ameropiltonia, Archegoninae, Bollandiinae, Breviphillipsia, Cummingellinae, Cyrtosymbolinae, Cystispininae, Ditomopyginae, Exochops, Griffithidella, Hesslerides, Kollarcephalus, Linguaphillipsia, Linguaphillipsiinae, Lugalella, Malchi, Nunnaspis, Osmolskia, Paladin, Phillipsia, Piltonia, Rhenogriffides, Spergenaspis, Thaiaspidinae, Thigriffides, Weaniinae, Weberides
Subtaxa: Cyphinioides Griffithides Paragriffithides Particeps Parvidumus
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Permian of Ukraine (1 collection), United States (4: Alaska, California)
• Namurian of the United Kingdom (1)
• Carboniferous of Belgium (5), Canada (2: Alberta), Czechia (1), Germany (1), Japan (3), Poland (1), the Russian Federation (1), Spain (1), the United Kingdom (16), United States (25: Alaska, Arizona, California, Indiana, Iowa, Kansas, Kentucky, Nevada)
Total: 62 collections including 68 occurrences