Genus: Brachysuchus CASE, 1929
Etymology: Greek, brakhys, “snout”, and Greek, Suchos, 'crocodile'; snout crocodile.

Species: megalodon CASE, 1929
Etymology:
= Paleorhinus megalodon (CASE, 1929)
= Phytosaurus megalodon (CASE, 1929)

Holotype: UMMP 100336

Locality: Near Otis Chalk, about 20 miles southeast of Big Springs, Howard County ,Texas.

Horizon: “Pre-Tecovas Horizon”, Dockum Group.

Biostratigraphy:

Age: Middle Carnian Stage, Lower Late Triassic Epoch, Late Triassic.

Material: Skull.

Topotype: UMMP 10336A: Lower jaw.
Note: Found several hundred meters for 10336, probably belong to the same individual.
Note: LONG & MURRY, 1995, refer Brachysuchus megalodon to Angistorhinus megalodon.

Referred material:

UMMP 8409: Skull.

UMMP 8868: Right quadrate and quadratojual.

UMMP 10335: Femur.

 

LONG & MURRY, 1995

Locality: Site 3, Quarry 3 (TMM Locality 31100), Howard County, Texas.

Horizon: “Pre-Tecovas Horizon”, Dockum Group.

Biostratigraphy:

Age: Middle Carnian Stage, Lower Late Triassic Epoch, Late Triassic.

Material:

TMM 31100-167: Skull.

ROM 7977 (Was TMM 31100-238): Skull.

TMM 31100-164: Skull deck including squamosal of a small individual.

TMM 31100-11, 31100-209: Left squamosals.

TMM 31100-298, 31100-293: Right squamosals.

TMM 31100-12: Rostrum and dentary.

TMM 31100-126: Left and right squamosal, portion of rostrum, cervical and anterior dorsal vertebrae, poorly-preserved scapula, proximal humerus and scutes.

 

Locality: TMM Site 3 (TMM Locality 31098), Howard County, Texas.

Horizon: “Pre-Tecovas Horizon”, Dockum Group.

Biostratigraphy:

Age: Middle Carnian Stage, Lower Late Triassic Epoch, Late Triassic.

Material:

TMM 31098-2: Skull.

TMM 31098-3: Lower jaw.

 

Locality: TMM Locality 42060, 1 mile (1.6 km) southwest of Quarry 1, Howard County, Texas.

Horizon: “Pre-Tecovas Horizon”, Dockum Group.

Biostratigraphy:

Age: Middle Carnian Stage, Lower Late Triassic Epoch, Late Triassic.

Material:

TMM 42060: Incomplete deep right squamosal with dorsal sculpturing.