†Acanthopyge (Mephiarges) Richter and Richter 1930 (trilobite)
Trilobita - Lichida - Lichidae
Parent taxon: Acanthopyge according to H. S. Edgell 1955
See also Jell and Adrain 2002, Sepkoski 2002 and Thomas and Holloway 1988
Sister taxa: Acanthopyge (Acanthopyge), Acanthopyge (Jasperia), Acanthopyge granulosa
Subtaxa: none
Type: Lichas (Euarges) mephisto
Ecology: fast-moving low-level epifaunal carnivore
Distribution: found only at Sekwi Anticline, MacKenzie Mountains, Sect. 2, 160 - 163 m below base (Devonian of Northwest Territories)