Species: viaemalae COPE, 1877
Etymology: Viaemala, of the bad trail ""This fossil...was derived from an inhospitable region rearly traversed by white men"].
Holotype: USNM 2364
Locality: Painted Canyon, Lat. 38'15"N, Long. 110'W, Sierra Abajo, Moab Area, San Juan County, Southeast Utah.
Horizon: Lowest Morrison Formation, Bottom of the Tidwell Member, or Bottom of the Tidwell Member of the Bluff Sandstone Formation, or Windy Hill Member.
Age: Callovian Stage, Upper Dogger Epoch, Late Middle Jurassic.
Material: Right ulna right pubis, proximal end of radius and metacarpal III, IV, V.