NMMNH L-501 (Triassic to of the United States)

Where: Quay County, New Mexico (35.1° N, 103.4° W: paleocoordinates 10.2° N, 43.1° W)

• coordinate estimated from map

When: Bull Canyon Formation (Dockum Group), Lacian to Lacian (221.5 - 212.0 Ma)

• early-middle Norian, based upon presence of Aetosaurus

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone and siltstone

Size class: macrofossils

Collected in the 1980s; reposited in the NMMNH

Primary reference: A. B. Heckert and S. G. Lucas. 1998. First occurrence of Aetosaurus (Reptilia: Archosauria) in the Upper Triassic Chinle Group (USA) and its biochronological significance. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte 1998(10):604-612 [R. Butler/R. Butler]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 92090: authorized by Richard Butler, entered by Richard Butler on 29.10.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Amphibia
 Temnospondyli - Metoposauridae
Apachesaurus sp.
Apachesaurus sp. Hunt 1993 tetrapod
Reptilia
 Pseudosuchia - Stagonolepididae
Aetosaurinae indet., Aetosaurinae indet., Typothorax sp.
Aetosaurinae indet. Baur 1887 aetosaur
NMMNH P-17165, P17212, P-17213, P-17215, P-17216, P-17223 scutes
Aetosaurinae indet. Baur 1887 aetosaur
NMMNH P-17163, 17228, scutes
Typothorax sp. Cope 1875 aetosaur