Species: obscurus (CASE, 1928) CASE, 1933
Etymology:
= Xenognathus obscurus CASE, 1928

Holotype: UMMP 7506

Locality: Blanco River, Crosby County, Texas.

Horizon: Tecovas Member, Dockum Formation.

Biostratigraphy:

Age: Late Tuvalian Substage, Late Carnian Stage, Late Triassic Epoch, Late Triassic.

Material: Fragmentary partial jaw.

Note: Same locality as the type Leptosuchus crosbiensis.

Referred material:

CASE, 1932

Locality: Palo Dura Canyon, Crosby County, Texas.

Horizon: Dockum Formation.

Biostratigraphy:

Age: Carnian-?Rhaetian, Late Triassic Epoch, Late Triassic.

Material:

UCMP 14356: Fragmentary dentary with teeth.

 

CORNET & OLSEN, 1990

Locality: USNM locality 39981, Tomahawk Locality, field-number 1988-1), 0.16 km (0.1 miles) east of the eastern branch of Little Tomahawk Creek along the northeastern side of Old Hundred Road (VA 652), near Midlothian, Chester County, Virginia. Lat. 77°40’15"N, long 37°27’45"W, Hallsboro 7.5 Minute Quadrangle.

Horizon: Tomahawk Creek Member, Turkey Branch Formation, Newark Supergroup.

Biostratigraphy:

Age: Early to Middle Carnian, Early Late Triassic Epoch, Late Triassic.

Material:

Number: Not given: Unidentified form.

 

HECKERT, MITCHELL, SCHNEIDER & OLSEN, 2012

Locality: East flank of a quarry operation, Moncure Locality (NCSM locality NCPALEO1904), near Moncure, Sanford sub-basin, Chatham County, North Carolina.

Horizon: Cumnock Formation, Chatham Group.

Biostratigraphy:

Age: Early Norian, Lower Late Triassic Epoch, Late Triassic.

Material:

NCSM 25185: A single conical tooth.

NCSM 25165: Fragmentary tooth.

MURRY, 1986

Locality: Several miles away from type, Crosby County, Texas.

Horizon: Dockum Formation.

Biostratigraphy:

Age: Carnian-?Rhaetian, Late Triassic Epoch, Late Triassic.

Material:

UMMP:

 

Locality: Kalgary Site, Crosby County, Texas.

Horizon: Tecovas Formation, Dockum Group.

Biostratigraphy:

Age: Carnian-?Rhaetian, Late Triassic Epoch, Late Triassic.

Material:

SMU: Jaw.

 

Locality: Near Kalgary Quarry, Crosby County,Texas.

Horizon: Dockum Formation.

Biostratigraphy:

Age: Carnian-?Rhaetian, Late Triassic Epoch, Late Triassic.

Material:

Number: Not given:

 

Locality: 5 miles southeast of Crosbyton in Crosby County, Texas.

Horizon: Dockum Formation.

Biostratigraphy:

Age: Carnian-?Rhaetian, Late Triassic Epoch, Late Triassic.

Material:

UCMP cast: Lower jaw.

 

Locality: Texas.

Horizon: Dockum Formation.

Biostratigraphy:

Age: Carnian-?Rhaetian, Late Triassic Epoch, Late Triassic.

Material:

UT: Fragmentary skull.