Genus: Unguinychus PUGH, NESBITT, HECKERT, LAUER & LAUER, 2024
Etymology: Latin, unguis, "claw" and Greek, nychus, "claw."

Species :onyx PUGH, NESBITT, HECKERT, LAUER & LAUER, 2024
Etymology: Greek, onyx, "claw."

Holotype:LF 5575

Locality: Honestead Stie, Garita Creek, San Miguel County, East-Central New Mexico..

Horizon: Lower portion of the Garita Creek Formation.

Biostratigraphy:

Age: Latest Carnian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.

Material: Manual ungual, probably from digit II.

Paratypes:

LF 5351, 5358, 5361, 5374, 5375, 5376, 5389, 5390, 5584: Unguals.