Genus: Syntomiprosopus HECKERT, NESBITT, STOCKER, SCHNEIDER, HOFFMAN & ZIMMER, 2021
Etymology: Greek, syntomi, "short" and Greek, -prosopus, "face."

Species: carolinensis ZANNO, DRYMALA, NESBITT, & SCHNEIDER, 2015
Etymology: In reference to the state it was discovered, North Carolina.

Holotype: NNCSM 20-59-29060

Locality: Downs Quarry (MNA Loc. 207N), approximately 72 m east of Placerias Quarry, Big Hollow Wash near Romero Spring, approximately 10.4 km southwest of St. Johns, Apache County, Arizona.

Horizon: Bluewater Creek Formation, Lower Chinle Group.

Biostratigraphy:

Age: Adamanian, Latest Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

Material: A nearly complte right mandible.

Paratypes:

NCSM 26729: Left aticular complex.

NCSM 26730: Anterior poritonof mandible.

NCSM 27677: Middle portion of left mandible.

NCSM 27678: Left articular complex in two pieces.

NCSM 29061: Right articular complex.

Referred material:

NCSM 27679: Posterior poriton of skull and braincase.

NCSM 27991: First? sacral vertebral centrum.

NCSM 27991: 2 fused sacral vertebrae.