Artiopoda - Proetida - Phillipsiidae
Parent taxon: Phillipsiidae according to D. K. Brezinski 2025
See also Hahn et al. 2012
Sister taxa: Archegoninae, Bollandiinae, Cummingellinae, Cyrtosymbolinae, Ditomopyginae, Linguaphillipsiinae, Lugalella, Malchi, Osmolskia, Phillipsiinae, Rhenogriffides, Thaiaspidinae, Weaniinae
Subtaxa: Cyphinioides Exochops Griffithidella Griffithides Hesslerides Paragriffithides Particeps
Type: Griffithides
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 (2), Canada (2: Alberta), Czechia (1), Germany (1), Japan (1), Poland (1), the Russian Federation (1), Spain (1), the United Kingdom (11), United States (77: Alaska, Arizona, California, Colorado, Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Missouri, Montana, Nevada, New Mexico, Oklahoma, Tennessee, Texas)
Total: 104 collections including 113 occurrences