Arroyo Seco 1 (Triassic of the United States)

Also known as Coelophysis type site, Cope

Where: Rio Arriba County, New Mexico (36.2° N, 106.3° W: paleocoordinates 11.4° N, 45.3° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

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

• Rock Point or Petrified Forest member

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Baldwin in 1881; reposited in the AMNH

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

Primary reference: E. D. Cope. 1887. The dinosaurian genus Coelurus. American Naturalist 21:367-369 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52498: authorized by Matthew Carrano, entered by Matthew Carrano on 09.08.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Lagerpetidae - Lagerpetidae
Dromomeron romeri2 Irmis et al. 2007 ornithodiran
AMNH FR 2721, 30648, 30659, distal limb bones
 Theropoda - Coelophysidae
"Coelurus bauri" = Coelophysis bauri, "Coelurus longicollis n. sp." = Coelophysis bauri, "Tanystropheus willistoni n. sp." = Coelophysis bauri1
"Coelurus bauri" = Coelophysis bauri Cope 1887 coelophysoid
"Coelurus longicollis n. sp." = Coelophysis bauri Cope 1887 coelophysoid
AMNH 2701
"Tanystropheus willistoni n. sp." = Coelophysis bauri1 Cope 1887 coelophysoid
AMNH 2726