San Sebastian crocodylomorphs: Early Oligocene, Puerto Rico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Testudines
- Pelomedusidae
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Pelomedusidae indet.
Cope 1868
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Wood 1972 | |||||||||
| AMNH 1836, partial shell | ||||||||||
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Reptilia
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Crocodyliformes indet.
Hay 1930
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| RC 238, RC 1579, RC 1584, RC 1585, RC 1615, RC 1616, RC 2912, teeth; UPRMP 372, UPRMP 2824, teeth | ||||||||||
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Crocodylia indet.
(Owen 1842)
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| AMNH 24484, AMNH 24485, teeth; AMNH 24487, two dorsal osteoderms; AMNH 24488, left quadrate ramus; AMNH 24489, four partial vertebrae; AMNH 24558, fragmentary?anterior sacral vertebra | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Puerto Rico |
| Coordinates: | 18.4° North, 67.2° West (view map) |
| Paleocoordinates: | 17.3° North, 66.5° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | local area |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Rupelian | 10 m.y. bin: | Cenozoic 4 |
| Key time interval: | Early Oligocene | ||
| Age range of interval: | 33.9 - 27.82 m.y. ago |
Stratigraphy
| Formation: | San Sebastian | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Late early Oligocene | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marginal marine indet. |
| Geology comments: noncarbonate nearshore facies | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | AMNH |
Metadata
| Database number: | 144645 | ||
| Authorizer: | P. Mannion, E. Vlachos | Enterer: | P. Mannion, E. Vlachos |
| Modifier: | P. Mannion | Research group: | vertebrate |
| Created: | 2013-05-14 22:03:52 | Last modified: | 2020-02-13 04:44:15 |
| Access level: | the public | Released: | 2013-05-14 22:03:52 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 46805. | C. A. Brochu, A. M. Nieves-Rivera, J. Vélez-Juarbe, J. D. Daza-Vaca, and H. Santos. 2007. Tertiary crocodylians from Puerto Rico: Evidence for Late Tertiary endemic crocodylians in the West Indies?. Geobios 40:51-59 [P. Mannion/P. Mannion] |
Secondary references:
| 64113 | R. C. Wood. 1972. A fossil pelomedusoid turtle from Puerto Rico. Breviora 392:1-13 [E. Vlachos/E. Vlachos] |