Genus: Harpactognathus CARPENTER, UNWIN, CLOWARD, MILES & MILES, 2003
Etymology: Greek, harpact, "seize or grasp" and Greek, gnathus, "jaws": In reference to the ‘snatching jaws’.
= Genus: Nova CLOWARD & CARPENTER, 1998

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.

Referred material:

= cf. Harpactognathus gentryii SPRAGUE & Mclain, 2025

EDP-SM 2071.02.003: A compele humerus.