Also known as Nejapa
Where: Oaxaca, Mexico (16.6° N, 96.0° W: paleocoordinates 17.1° N, 93.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: El Camarón Formation, Barstovian (16.3 - 12.5 Ma)
• formation "is estimated between 200 and 250 m... The fossil mammals occurred in the lower member (usually the lower part), and were collected at several sites [seven shown on map]... from a zone ~30 m thick at the most"; it intertongues with the Yautepec Tuff, dated at 15.0 +/- 0.8 to 16.7+/- 0.71 by K-Ar (Bravo-Cuevas and Ferrusquía-Villafranca 2006)
• member-level stratigraphic resolution
Environment/lithology: terrestrial; poorly lithified, tuffaceous siltstone and poorly lithified, tuffaceous sandstone
Size class: macrofossils
Primary reference: I. Ferrusquia-Villafranca. 1990. Biostratigraphy of the Mexican Continental Miocene: Part I, Introduction and the Northwestern and Central Faunas. Part II, The Southeastern (Oaxacan) Faunas. Part III, The Southeasternmost (Chiapasan) Fauna and Concluding Remarks On the Discussed Vertebrate Record. Paleontologia Mexicana 56:1-149 [J. Alroy/J. Alroy/J. Marcot]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 18722: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
? Gomphotherium sp. Burmeister 1837 gomphothere | |
Plionictis oaxacaensis Ferrusquia-Villafranca 1990 mustelid carnivore | |
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Neohipparion sp.1 Gidley 1903 hipparionine horse diagnosis seems very clear-cut; JA pers. obs. 10.10.00
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