Genus: Comobatrachis HECHT & ESTES, 1960
Etymology: In reference to Como Bluff, Albany County, Wyoming, where the specimen was found and Greek, batrachos, "frog."

Species: aenigmaticus HECHT & ESTES, 1960
Etymology: Latin, aenigmaticus, "like an enigma, obscure, enigmatic."

Holotype: YPM 1863

Locality: Reeds YPM Quarry 9, (Mammal Quarry), T22N, R77W, Sec. 12, Como Bluff, Albany County, Wyoming.

Horizon: Upper or Brushy Basin member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material: Distal portion of humerus.