Species: gentryii CARPENTER, UNWIN, CLOWARD, MILES & MILES, 2003
Etymology: In honor of Joe Gentry, volunteer for the western Paleontological
Laboratories, Lehi, Utah.
Holotype: NAMAL 101
Locality: Bone Cabin Quarry, Albany County, Wyoming.
Horizon: Salt Wash Member, Morrison Formation.
Biostratigraphy: Zone 2.
Age: Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.
Material: Anterior portion of skull.
Note: 50% larger than Solnhofen specimens.