Genus: Comodactylus GALTON, 1981
Etymology: In reference to Como Bluff, Albany County, Wyoming; where the specimen was found, Greek, daktylos, “finger”: finger bone from Como Bluff

Species: ostromi GALTON, 1981
Etymology: In honor of Dr. John H. Ostrom.

Holotype: YPM 9150

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

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

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

Material: Right fourth metacarpal IV.