Chaco Cañon neighborhood: Puercan - Torrejonian, New Mexico
collected by David Baldwin 1883
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Testudines
- Kinosternoidea
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Chelydra crassa n. sp.
Cope 1888
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Cope 1888 | 2 individuals | ||||||||
| recombined as Hoplochelys crassa | ||||||||||
| Cope states that he possest remains of 2 individuals. Of the first there were present 2 vertebral bones, 9 peripherals, and 3 plastrals; of the second, 3 vertebrals. The bones of the first-mentioned individual are now in the American Museum of Natural History and bear the catalog number 6091; where the remains of the second specimen are is not at present known | ||||||||||
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Reptilia
- Testudines
- Trionychidae
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Trionyx sp.
Geoffroy Saint-Hilaire 1809
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Cope 1888 | |||||||||
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Reptilia
- Testudines
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Plastomenus ? communis
Cope 1875
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Cope 1888 | |||||||||
| nomen dubium belonging to Pantrionychidae | ||||||||||
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Plastomenus acupictus n. sp.
Hay 1907
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Hay 1907 | |||||||||
| recombined as Hutchemys acupictus | ||||||||||
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Platypeltis antiqua n. sp.
Hay 1907
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Hay 1907 | |||||||||
| nomen dubium belonging to Pantrionychidae | ||||||||||
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Reptilia
- Testudines
- Emydidae
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Emys sp.
Dumeril 1806
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Cope 1888 | |||||||||
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Reptilia
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Compsemys sp.
Leidy 1856
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Cope 1888 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New Mexico | County: | San Juan |
| Coordinates: | 36.1° North, 108.0° West (view map) | ||||
| Paleocoordinates: | 42.8° North, 87.6° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Paleocene |
| 10 m.y. bin: | Cenozoic 1 | ||
| Key time interval: | Puercan - Torrejonian | ||
| Age range of interval: | 66.00000 - 60.90000 m.y. ago |
Stratigraphy
| Formation: | Nacimiento | ||||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: Both the Puerco and the Torrejon are found in that region and it is therefore uncertain to which of these the fossil belongs | |||||
Lithology and environment
| Primary lithology: | not reported |
| Lithology description: none given | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | survey of museum collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | AMNH | ||
| Collectors: | David Baldwin | Collection dates: | June 6 1883 |
| Collection method comments: collected for E. D. Cope | |||
Metadata
| Also known as: | Hoplochelys crassa type | ||
| Database number: | 131857 | ||
| Authorizer: | R. Benson, E. Vlachos | Enterer: | R. Benson, E. Vlachos |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2012-07-31 19:32:14 | Last modified: | 2021-10-19 10:42:51 |
| Access level: | the public | Released: | 2012-07-31 19:32:14 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 14442. | ETE | O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
| 64558 | E. D. Cope. 1888. Synopsis of the Vertebrate Fauna of the Puerco Series. Transactions of the American Philosophical Society, New Series, 16(2):298-361 [E. Vlachos/E. Vlachos] | |
| 25055 | O. P. Hay. 1907. Descriptions of seven new species of turtles from the Tertiary of the United States. Bulletin of the American Museum of Natural History 23(34):847-863 [J. Alroy/J. Alroy] |