Genus: Nooxobeia GEE, SCOTT, & REISZ, 2018
Etymology: Arapaho, nooxobe, 'frog'. The Cheyenne and Arapaho Tribes are a united tribe of southern Cheyenne and southern Arapaho peoples whose present-day tribal jurisdiction in weastern Oklahoma includes Blaine County, from which the holotype was collected.
Species: gracilis GEE, SCOTT, & REISZ, 2018
Etymology: The specific name is derived from the slender and elongate proportions of the limbs.
= Fayella chickashanensis OLSON, 1972 (referred specimen)
Holotype: UCLA VP 3066
Locality: BC-8, SE 1/4, SE 1/4, sec. 21, T18N, R11W, Blaine County, Oklahoma.
Horizon: Chickasha Formation.
Age: Guadalupian Stage, Lower Zechstein Epoch, Early Late Permian.
Material: Fragmentary skull and fragmentary skeleton.