Genus: Plinthogomphodon SUES, OLSEN & CARTER, 1999
Etymology: Greek, plinthos, “ brick,” Greek, gomphios, “ molar ” and Greek, odous, (variant odon), “ tooth ”: Brick molar tooth.

Species: herpetairus SUES, OLSEN & CARTER, 1999
Etymology: Greek, herpeton, “creeping animal, reptile”, and Greek, hetairos, “companion”: Companion of reptiles, in reference to its close association with skeletal remains of archosaurian reptiles.

Holotype: Collecton of the Department of Geology, University of North Carolina, Chapel Hill (UNC) no. 15576

Locality: Latitude 35°52’09”N, and longitude 78°53’67”W, Genlee, Durham County, North Carolina.

Horizon: Muddy sandstone of Lithofacies Association II sensu Hoffman and Gallagher (1989), Newark Supergroup.

Biostratigraphy:

Age: Late Carnian or Early Norian Stage, Lower-Middle Late Triassic Epoch, Late Triassic.

Material: Partial snout preserved in 2 pieces and some limb bones.
Note: Found in the gut region of a Postosuchus skeleton (NOVAK, WEINBAUM, PEYER & CARTER, 2002)