Where: San Juan County, New Mexico (36.3° N, 108.1° W: paleocoordinates 43.6° N, 79.4° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: De-na-zin Member (Kirtland Formation), Late/Upper Campanian (83.5 - 70.6 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; siltstone
Size class: macrofossils
Primary reference: S. G. Lucas and R. M. Sullivan. 2000. The sauropod dinosaur Alamosaurus from the Upper Cretaceous of the San Juan Basin, New Mexico. New Mexico Museum of Natural History and Science Bulletin 17:147-156 [J. Head/J. Head/M. Carrano]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 47818: authorized by Jason Head, entered by Jason Head on 02.03.2005, edited by Matthew Carrano and David Nicholson
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
| |
| |
| |
|