Where: Rio Arriba County, New Mexico (36.5° N, 107.0° W: paleocoordinates 37.1° N, 103.9° W)
• coordinate based on political unit
When: lower Chama-El Rito Member (Tesuque Formation), Barstovian (16.3 - 12.5 Ma)
• about the same level as basalt dated at 15.3 +/- 0.4 Ma (method?) in the Los Pinos Tongue
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Primary reference: R. H. Tedford and S. F. Barghoorn. 1993. Road Log Neogene geology of the Española Basin, New Mexico. New Mexico Museum of Natural History Bulletin 2:169-178 [J. Alroy/J. Alroy/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 19520: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
| Mammalia | |
Aelurodon stirtoni2, Aelurodon ferox2, Paratomarctus temerarius2, "Tomarctus confertus" = Microtomarctus conferta
Aelurodon ferox2 Leidy 1858 bone-crushing dog "near the head of" and "south fork of" Three Sands Hills Wash; "South Ojo Caliente"; "Chama el Rito area"; "middle Ojo Caliente"
Paratomarctus temerarius2 Leidy 1858 bone-crushing dog Aelurodon Wash; "Three-Sand Hills Wash, Rio del Oso locality, Green Sand Stratum"
"Tomarctus confertus" = Microtomarctus conferta Matthew 1918 bone-crushing dog at "South fork of Three Sands Hills Wash" according to Wang et al. 1999
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"Brachycrus vaughani" = Brachycrus laticeps
"Brachycrus vaughani" = Brachycrus laticeps Douglass 1900 oreodont includes type of "Brachycrus vaughani rioosoensis": see Schultz and Falkenbach 1968; assignment to this species based on Lander 1998
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