Where: Sandoval County, New Mexico (35.7° N, 107.0° W: paleocoordinates 36.5° N, 103.3° W)
• coordinate based on political unit
When: lower Chamisa Mesa Member (Zia Sand Formation), Early/Lower Hemingfordian (20.4 - 16.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Primary reference: X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 19311: authorized by John Alroy, entered by John Alroy on 19.05.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Protomarctus optatus Matthew 1924 bone-crushing dog |