De-na-zin Wash (UNM) (Paleocene of the United States)

Where: San Juan County, New Mexico (36.3° N, 108.0° W: paleocoordinates 43.2° N, 87.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Nacimiento Formation, Puercan (66.0 - 63.3 Ma)

• "lower part of the Nacimiento Formation"

•

•Flynn et al. 2020: De-Na-Zin sites correspond to Pu1–Pu2

• member-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

• none given

Size class: macrofossils

Reposited in the UNM

Primary reference: R. M. Sullivan and S. G. Lucas. 1986. Annotated list of lower vertebrates from the Paleocene Nacimiento Formation (Puercan-Torrejonian), San Juan Basin, New Mexico. Journal of Herpetology 20(2):202-209 [J. Alroy/M. Sommers/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 74555: authorized by John Alroy, entered by John Alroy on 12.08.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Squamata - Anguidae
"Proxestops jepseni" = Proxestops silberlingii
"Proxestops jepseni" = Proxestops silberlingii Gilmore 1938 squamates
UNM specimen from "De-na-zin Wash" (no details given)
 Crocodylia -
Akanthosuchus langstoni
Akanthosuchus langstoni O'Neill et al. 1981 crocodilian
UNM specimen from "headlands of De-na-zin Wash" (township and range given)