Also known as UALP Y-39 = IGCU Ch-15; Rincon; CIT 276, 286
Where: Chihuahua, Mexico (28.8° N, 108.0° W: paleocoordinates 29.2° N, 106.4° W)
• coordinate based on nearby landmark
When: Late/Upper Hemphillian (10.3 - 4.9 Ma)
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Primary reference: E. H. Lindsay. 1984. Late Cenozoic Mammals from Northwestern Mexico. Journal of Vertebrate Paleontology 4(2):208-215 [J. Alroy/J. Alroy/J. Ju]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 18755: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Tennant, Jonathan Marcot and Mark Uhen
Creative Commons license: CC BY (attribution)
Taxonomic list
see Lindsay for paleomag
underlies Concha
Wilson 1949e describes "Citellus sp." from CIT 276 (Arroyo de los Burros) and CIT 286 (Arroyo de las Barrancas Blancas)
Mammalia | |
cf. Stegomastodon sp. Pohlig 1912 gomphothere | |
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Dinohippus mexicanus n. sp. Lance 1950 horse | |
Teleoceras hicksi Cook 1927 rhinoceros | |
Hexobelomeryx fricki n. sp.
Hexobelomeryx fricki n. sp. Furlong 1941 pronghorn | |
Hemiauchenia sp. Gervais and Ameghino 1880 camel
? Megatylopus sp. Matthew and Cook 1909 camel | |
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? Pseudaelurus sp., "Machairodus coloradensis" = Amphimachairodus coloradensis
? Pseudaelurus sp. Leidy 1858 cat
"Machairodus coloradensis" = Amphimachairodus coloradensis Cook 1922 cat listed by Lance 1950 as "Machairodus catacopsis"; Lindsay 1984 lists "Nimravides catacopis"; probably not Nimravides thinobates
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"Agriotherium cf. schneideri" = Huracan schneideri
"Agriotherium cf. schneideri" = Huracan schneideri Sellards 1916 bear presumably specimen from CIT 275 "in the Arroyo Huachin, at Rincon" described by Stock 1950 and said to be from Yepomera by Miller and Carranza 1996
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Taxidea mexicana Drescher 1939 badger | |
Canidae indet., Vulpes stenognathus9, "Canis ferox" = Eucyon ferox9, Eucyon davisi9, ? Borophagus sp.1
Canidae indet. Fischer de Waldheim 1817 canid | |
Soricidae indet. Fischer 1814 shrew | |
Notolagus velox n. sp.
Notolagus velox n. sp. Wilson 1937 rabbit | |
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Prodipodomys idahoensis Hibbard 1962 rodent | |
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"Bensonomys baskini" = Calomys (Bensonomys) baskini6, "Bensonomys elachys" = Calomys (Bensonomys) elachys6, "Antecalomys valensis" = Postcopemys valensis1, Baiomys kolbi, Prosigmodon chihuahuensis6, Prosigmodon oroscoi
Baiomys kolbi Hibbard 1952 pygmy mouse | |
Reptilia | |
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Aves | |
"? Erolia sp." = Calidris5
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Oxyura sp.5, Eremochen cf. russelli5, Wasonaka yepomerae n. gen. n. sp.5, "Anas bunkeri" = Nettion bunkeri5
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Phoenicopterus stocki n. sp.7
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Amphibia | |
Bufo campi n. sp.2
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