Orphan Mesa Loc. 3 (Triassic of the United States)

Also known as Cross Quarry

Where: Rio Arriba County, New Mexico (36.3° N, 106.4° W: paleocoordinates 11.5° N, 45.3° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• 29 m below contact with the Rock Point Formation/Member; also known as the "Painted Desert" Member of the Petrified Forest Formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; conglomeratic sandstone

Size class: macrofossils

Collected by Cross, Sullivan in 1983; reposited in the NMMNH

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

Primary reference: R. M. Sullivan, S.G. Lucas, A. Heckert and A.P. Hunt. 1996. The type locality of Coelophysis, a Late Triassic dinosaur from north-central New Mexico (USA). Paläontologische Zeitschrift 70(1/2):245-255 [M. Carrano/K. Maguire/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 54007: authorized by Matthew Carrano, entered by Kaitlin Maguire on 21.09.2005, edited by Richard Butler

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Phytosauria - Parasuchidae
"Phytosauridae indet." = Mystriosuchinae2
"Phytosauridae indet." = Mystriosuchinae2 von Huene 1915 archosaur
 Pseudosuchia - Stagonolepididae
Typothorax sp.1 Cope 1875 aetosaur
 Dinosauromorpha - Silesauridae
Eucoelophysis baldwini n. gen. n. sp.2
Eucoelophysis baldwini n. gen. n. sp.2 Sullivan and Lucas 1999 ornithodiran
NMMNH P-22298, partial skeleton