†Griffithides (Particeps) Reed 1943 (trilobite)
Trilobita - Proetida - Phillipsiidae
Parent taxon: Griffithides according to Reed 1943
See also Brezinski 2007, Hahn et al. 2012, Jell and Adrain 2002 and Sepkoski 2002
Sister taxa: Griffithides (Griffithides), Griffithides acanthiceps, Griffithides ornatus, Griffithides pustulosus
Subtaxa: Griffithides (Particeps) ibericus
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution: found only at 1.450 m SSE of Cerro de Perna, 5 km SE of Aliseda (Carboniferous of Spain)