near Rotten Hill (Triassic to of the United States)

Also known as Sierrita de la Cruz Creek, Sierrita de la Cruize

Where: Oldham County, Texas (35.4° N, 102.2° W: paleocoordinates 8.2° N, 40.3° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Tecovas Formation (Dockum Group), Carnian to Carnian (237.0 - 208.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial; siliciclastic sediments

• "The Tecovas Formation consists of mudstone with interbedded siltstone and sandstone deposited primarily in fluvial environments" (Martz & Small 2006: 311)

Size class: macrofossils

Collected by Langston in the 1950s; reposited in the UMMP

Primary reference: E. C. Case and T. E. White. 1934. Two new specimens of phytosaurs from the Upper Triassic of Western Texas. Contributions from the Museum of Paleontology, University of Michigan 4:133-142 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 105766: authorized by Richard Butler, entered by Richard Butler on 24.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Pseudosuchia - Stagonolepididae
Tecovasuchus chatterjeei n. gen. n. sp.2
Tecovasuchus chatterjeei n. gen. n. sp.2 Martz and Small 2006 aetosaur
TTUP 545, osteoderms, partial braincase, partial vertebra
 Phytosauria - Parasuchidae
Leptosuchus crosbiensis1 Case 1922 archosaur
UMMP 14366, skull
Leptosuchus studeri n. sp. Case and White 1934 archosaur
UMMP 14267, skull