Arroyo Tepalcates: Late/Upper Hemphillian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Proboscidea
- Gomphotheriidae
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Rhynchotherium sp.
Falconer 1868
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Carranza-Castaneda et al. 2013 | |||||||||
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Mammalia
- Camelidae
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Hemiauchenia vera
(Matthew 1909)
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Carranza-Castaneda et al. 2013 | |||||||||
| recombined as Pleiolama vera | ||||||||||
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? Alforjas sp.
Harrison 1979
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Carranza-Castaneda et al. 2013 | |||||||||
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Megatylopus matthewi
Webb 1965
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Carranza-Castaneda et al. 2013 | |||||||||
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Mammalia
- Antilocapridae
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Hexobelomeryx fricki
Furlong 1941
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Carranza-Castaneda et al. 2013 | |||||||||
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Mammalia
- Tayassuidae
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Catagonus brachydontus
(Dalquest and Mooser 1980)
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Carranza-Castaneda et al. 2013 | |||||||||
| original and current combination Desmathyus brachydontus | ||||||||||
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Mammalia
- Perissodactyla
- Equidae
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Astrohippus stocki
(Lance 1950)
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Carranza-Castaneda et al. 2013 | |||||||||
| original and current combination Pliohippus (Astrohippus) stockii | ||||||||||
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Dinohippus mexicanus
(Lance 1950)
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Carranza-Castaneda et al. 2013 | |||||||||
| original and current combination Pliohippus (Pliohippus) mexicanus | ||||||||||
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Neohipparion eurystyle
(Cope 1893)
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Carranza-Castaneda et al. 2013 | |||||||||
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Mammalia
- Perissodactyla
- Rhinocerotidae
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? Teleoceras fossiger
(Cope 1878)
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Carranza-Castaneda et al. 2013 | |||||||||
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Mammalia
- Carnivora
- Felidae
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Machairodus cf. coloradensis
Cook 1922
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= Amphimachairodus cf. alvarezi
Ruiz-Ramoni et al. 2019
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Ruiz-Ramoni et al. 2019 | |||||||||
| IGM 6666 and 6667 | ||||||||||
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Mammalia
- Carnivora
- Mustelidae
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? Taxidea mexicana
Drescher 1939
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Carranza-Castaneda et al. 2013 | |||||||||
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Mammalia
- Carnivora
- Ursidae
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Agriotherium schneideri
Sellards 1916
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Carranza-Castaneda et al. 2013 | |||||||||
| recombined as Huracan schneideri | ||||||||||
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Mammalia
- Carnivora
- Canidae
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Canis ferox
Miller and Carranza-Castaneda 1998
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Carranza-Castaneda et al. 2013 | |||||||||
| recombined as Eucyon ferox | ||||||||||
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Borophagus secundus
VanderHoof 1931
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Carranza-Castaneda et al. 2013 | |||||||||
| see common names | ||||||||||
Geography
| Country: | Mexico | State/province: | Guanajuato |
| Coordinates: | 21.0° North, 100.7° West (view map) | ||
| Paleocoordinates: | 21.3° North, 99.1° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | small collection |
Time
| Period: | Neogene | ||
| 10 m.y. bin: | Cenozoic 6 | ||
| *Period: | Tertiary | *Epoch: | Miocene |
| Key time interval: | Late/Upper Hemphillian | ||
| Age range of interval: | 9.40000 - 4.70000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Rancho Viejo Beds | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: from close to the base of the Rancho Viejo section, in the Rancho Viejo Beds and not the "San Miguel Allende Beds," and immediately underlies a magnetic polarity reversal of uncertain correlation (Flynn et al. 2005) | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | fluvial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | GTO-52 | ||
| Database number: | 18713 | ||
| Authorizer: | J. Alroy, P. Mannion | Enterer: | J. Alroy, P. Mannion |
| Modifier: | P. Mannion | Research group: | vertebrate |
| Created: | 2002-05-15 00:00:00 | Last modified: | 2020-08-11 08:10:57 |
| Access level: | the public | Released: | 2002-05-15 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 1179. | O. Carranza-Castaneda and W. E. Miller. 1996. Hemphillian and Blancan felids from central Mexico. Journal of Paleontology 70(3):509-518 [J. Alroy/J. Alroy/J. Marcot] |
Secondary references:
| 51759 | O. Carranza-Castaneda, J. J. Aranda-Gómez, X. Wang and A. Iriondo. 2013. The Early-Late Hemphillian (Hh2) Faunal Assemblage From Juchipila Basin, State of Zacatecas, Mexico, and Its Biochronologic Correlation with Other Hemphillian Faunas in Central Mexico. Contributions to Science, Natural History Museum of Los Angeles County 521:13-49 [J. Marcot/J. Marcot/P. Mannion] | |
| 23536 | J. J. Flynn, B. J. Kowallis, C. Nuñez, O. Carranza-Castañeda, W. E. Miller, C. C. Swisher, III, and E. Lindsay. 2005. Geochronology of Hemphillian-Blancan aged strata, Guanajuato, Mexico, and implications for the timing of the Great American Biotic Interchange. Journal of Geology 113:287-307 [J. Alroy/J. Alroy/M. Uhen] | |
| 73354 | D. Ruiz-Ramoni, A. D. Rincón, and M. Montellano-Ballesteros. 2019. Taxonomic revision of a Machairodontinae (Felidae) from the Late Hemphillian of México. Historical Biology [P. Mannion/P. Mannion] |