Round Mountain Quarry (Miocene of the United States)
Where: Rio Arriba County, New Mexico (36.5° N, 107.0° W: paleocoordinates 37.0° N, 104.5° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: referred Chamita Formation, Late/Upper Clarendonian (13.6 - 10.3 Ma)
• said to be late Clarendonian
Environment/lithology: terrestrial
Primary reference: R. H. Tedford and S. F. Barghoorn. 1993. Road Log Neogene geology of the EspaƱola Basin, New Mexico. New Mexico Museum of Natural History Bulletin 2:169-178 [J. Alroy/J. Alroy/M. Uhen]more details
PaleoDB collection 19528: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
• see also Tedford 1981
the "Santa Clara-Battleship Mountain" fauna apparently spans the "late late Barstovian" to "earliest Hemphillian" interval and hence is omitted
probably includes the "10.7 +/- 0.7 Ma" material of Latorre et al. 1997
the "Santa Clara-Battleship Mountain" fauna apparently spans the "late late Barstovian" to "earliest Hemphillian" interval and hence is omitted
probably includes the "10.7 +/- 0.7 Ma" material of Latorre et al. 1997
Show authors, comments, and common names
Mammalia | |
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Megahippus cf. matthewi, Pliohippus sp., Pliohippus cf. pernix, Cormohipparion occidentale4, Pseudhipparion gratum1
Megahippus cf. matthewi Barbour 1914 anchitheriine horse
Pliohippus cf. pernix Marsh 1874 horse | |
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Michenia sp.3 Frick and Taylor 1971 camel a "similar taxon" to Michenia yavapaiensis; not clear why this is omitted by Tedford and Barghoorn; probably includes "M. cf. browni" of Latorre et al. 1997
Hemiauchenia sp. Gervais and Ameghino 1880 camel | |
"Pseudoceras klausi n. sp." = Floridameryx klausi2
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"Cosoryx cerroensis n. sp." = Cosoryx (Subcosoryx) cerroensis Frick 1937 pronghorn see Frick 1937: "C. sp." of Tedford 1981
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