Cerro Blanco, NMMNH L-918 (Triassic of the United States)

Also known as Typothorax type, Gallina, Wheeler Expedition

Where: Rio Arriba County, New Mexico (36.3° N, 106.8° W: paleocoordinates 11.5° N, 45.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Petrified Forest Member (Chinle Formation), Norian (228.0 - 208.5 Ma)

• also Painted Desert Mb., Petrified Forest Fm., Chinle Gp.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; flat-pebble, green, red, calcareous conglomerate and green, red, calcareous sandstone

• "sandstone and clay-pebble conglomerate: dusky red (5 R 3/4) to moderate yellow green (5 GY 7/4); sandstone is same lithology as unit 3; very calcareous; conglomerate clasts are calcrete, highly calcareous; conglomerate has crude trough crossbeds..."

Size class: macrofossils

Collected by E. D. Cope in 1874; reposited in the NMMNH, USNM

• Cope accompanied Wheeler Expedition

Primary reference: E. D. Cope. 1875. Abstract of remarks made before a meeting of the Academy of Natural Sciences of Philadelphia, June 8th and 15th, 1875. Proceedings of the Academy of Natural Sciences of Philadelphia (separate) 1-8 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 80925: authorized by Matthew Carrano, entered by Matthew Carrano on 21.05.2008, edited by Richard Butler

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Phytosauria - Parasuchidae
"Phytosauridae indet." = Mystriosuchinae
"Phytosauridae indet." = Mystriosuchinae von Huene 1915 archosaur
 Pseudosuchia - Stagonolepididae
Typothorax coccinarum n. gen. n. sp.
Typothorax coccinarum n. gen. n. sp. Cope 1875 aetosaur
USNM 2585 (lectotype), fragments of dermal plates. NMMNH P-18197, 18199, 18201, plate fragments