sourceTaxonName: Ptychagnostus sp.
sourceTaxonPath: Animalia | Arthropoda | Trilobita | Agnostida | Hastagnostidae | Ptychagnostus
localityName: Kell's Knolls, approximately 3 km NE on unimproved dirt road 7 km E of eastern entrace to Marjum Pass, approx. 70 km W of Hinckley, Utah on Old Route 6 & 50 (W 2500 S St.)