La Puente Pit, claystone layer underlying Coal Seam 85 (Cerrejón Coal Mine): Middle Paleocene - Late Paleocene, Colombia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Testudines
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Puentemys mushaisaensis
Cadena et al. 2012
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| UF/IGM 50-64 were reported from claystone layers under Coal Seams 40, 85, 90, and 115. But specific horizon data was not given for each specimen | ||||||||||
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Reptilia
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Acherontisuchus guajiraensis n. gen., n. sp.
Hastings et al. 2011
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Hastings et al. 2011 | 1 specimen | ||||||||
| Holotype, UF ⁄ IGM 34, a mostly complete mandible including left and right dentaries, splenials, 14 partial mandibular teeth, right surangular, and four maxillary fragments, four partial teeth, and two partial ribs | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Colombia | State/province: | Guajira |
| Coordinates: | 11.1° North, 72.6° West (view map) | ||
| Paleocoordinates: | 8.5° North, 59.4° West | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Paleocene |
| Stage: | Selandian - Thanetian | 10 m.y. bin: | Cenozoic 1 |
| Key time interval: | Middle Paleocene - Late Paleocene | ||
| Age range of interval: | 61.6 - 56 m.y. ago |
Stratigraphy
| Formation: | Cerrejón | Member: | middle segment | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: middle–late Paleocene (58–60 Ma) based on correlations using pollen and spores (Jaramillo et al., 2007) | |||||
Lithology and environment
| Primary lithology: | claystone |
| Secondary lithology: | coal |
| Includes fossils? | Y |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils,some microfossils |
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: UF/IGM collection (University of Florida, Florida Museum of Natural History Vertebrate Paleontology Collections, Gainesville, Florida/Museo Geológico José Royo y Gómez at the Instituto Nacional de Investigaciones en Geociencias, Mineria y Quimica, Bogotá, Colombia) | |
| Taxonomic list comments:The flora and fauna collected from the Cerrejón Coal Mine constitute the most complete Paleocene neotropical ecosystem so far known, including fossil leaves, fruits, seeds, flowers, pollen and spores | |
Metadata
| Database number: | 132013 | ||
| Authorizer: | R. Benson | Enterer: | R. Benson |
| Modifier: | R. Benson | Research group: | vertebrate |
| Created: | 2012-08-05 04:11:33 | Last modified: | 2012-08-04 13:18:55 |
| Access level: | the public | Released: | 2012-08-05 04:11:33 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 42554. | E. A. Cadena, J. I. Bloch, and C. A. Jaramillo. 2012. New bothremydid turtle (Testudines, Pleurodira) from the Paleocene of Northeastern Colombia. Journal of Paleontology 86(4):688-698 [R. Benson/R. Benson] |
Secondary references:
| 37661 | A. K. Hastings, J. I. Bloch, and C. A. Jaramillo. 2011. A new longirostrine dyrosaurid (Crocodylomorpha, Mesoeucrocodylia) from the Paleocene of north-eastern Colombia: biogeographic and behavioural implications for New-World Dyrosauridae. Palaeontology 54(5):1095-1116 [J. Alroy/J. Alroy] |