El Palmar: Late/Upper Campanian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Theropoda
- Caenagnathidae
|
||||||||||
|
Caenagnathidae indet.
Sternberg 1940
|
Serrano-Brañas et al. 2022 | |||||||||
| BENC 1/2-0002 | ||||||||||
|
Reptilia
- Theropoda
- Tyrannosauridae
|
||||||||||
|
Tyrannosauridae indet.
Osborn 1906
|
Rivera-Sylva and Carpenter 2014 | |||||||||
| tooth fragments, unguals, posterior caudal centrum | ||||||||||
|
Reptilia
- Theropoda
- Ornithomimidae
|
||||||||||
|
Ornithomimidae indet.
Marsh 1890
|
Rivera-Sylva and Carpenter 2014 | 12 specimens | ||||||||
| distal L femur, BENC 1/2-0042, 0045, 0053, 0066, 0068–0073, 0077, 0081 | ||||||||||
|
Reptilia
- Ankylosauridae
|
||||||||||
|
Ankylosauridae indet.
Brown 1908
|
5 specimens | |||||||||
| BENC-1/4-0001, 0002, 0003, 0004, 0005 | ||||||||||
|
Reptilia
- Hadrosauridae
|
||||||||||
|
Hadrosauridae indet.
Cope 1869
|
Ramírez-Velasco and Hernández-Rivera 2015 | 3 specimens | ||||||||
| BENC 1/1-0001, 0006, 0011 | ||||||||||
|
Lambeosaurinae indet.
Parks 1923
|
Ramírez-Velasco and Hernández-Rivera 2015 | 1 specimen | ||||||||
| BENC 1/1-0009 | ||||||||||
|
Saurolophinae indet.
Brown 1914
|
Ramírez-Velasco and Hernández-Rivera 2015 | 1 specimen | ||||||||
| BENC 1/1-0007 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Mexico | State/province: | Coahuila |
| Coordinates: | 25.6° North, 101.3° West (view map) | ||
| Paleocoordinates: | 31.7° North, 75.9° West | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | local area |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Late/Upper Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Geological group: | Difunta | Formation: | Cerro del Pueblo |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | mudstone |
| Secondary lithology: | sandstone |
| Includes fossils? | Y |
| Lithology description: formation consists of "mudstone deposits, shell coquinas, and sandstones" | |
| Environment: | fluvial-deltaic indet. |
| Geology comments: "deposited on a low-gradient and broadly homogenous coastal plain with transgressive-regressive episodes. This environment was a plant-rich wetland, with channels, lakes, swamps, coastal lagoons, deltaic lakes, and bay deposits." | |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | medium |
| Disassociated minor elements: | some |
| Fragmentation: | occasional |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | BENC | ||
| Database number: | 68039 | ||
| Authorizer: | M. Carrano, P. Mannion | Enterer: | M. Carrano, P. Mannion |
| Modifier: | P. Mannion | Research group: | vertebrate |
| Created: | 2006-12-28 13:43:09 | Last modified: | 2023-08-01 07:09:14 |
| Access level: | the public | Released: | 2006-12-28 13:43:09 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 19483. | ETE | H. E. Rivera-Sylva and B. Espinosa-Chávez. 2006. Ankylosaurid (Dinosauria: Thyreophora) osteoderms from the Upper Cretaceous Cerro de Pueblo Formation of Coahuila, Mexico. Carnets de Géologie/Notebooks on Geology Letter(2006/02):1-5 [M. Carrano/M. Carrano] |
Secondary references:
| 55641 | A. A. Ramírez-Velasco, R. Hernández-Rivera, and R. Servin-Pichardo. 2014. The hadrosaurian record from Mexico. In D. A. Eberth & D. C. Evans (ed.), Hadrosaurs 340-360 [M. Carrano/M. Carrano] | |
| 82620 | Á A. Ramírez-Velasco and R. Hernández-Rivera. 2015. Diversity of Late Cretaceous dinosaurs from Mexico. Boletín Geológico y Minero 126(1):63-108 [M. Carrano/M. Carrano] | |
| 82004 | H. E. Rivera-Sylva and K. Carpenter. 2014. Mexican saurischian dinosaurs. In H. E. Rivera-Sylva, K. Carpenter, & E. Frey (eds.), Dinosaurs and Other Reptiles from the Mesozoic of Mexico 143-155 [M. Carrano/M. Carrano] | |
| 82030 | H. E. Rivera-Sylva and K. Carpenter. 2014. The ornithischian dinosaurs of Mexico. In H. E. Rivera-Sylva, K. Carpenter, & E. Frey (eds.), Dinosaurs and Other Reptiles from the Mesozoic of Mexico 156-180 [M. Carrano/M. Carrano] | |
| 85500 | C. I. Serrano-Brañas, B. Espinosa-Chávez, S. A. Maccracken, D. Barrera Guevara, and E. Torres-Rodríguez. 2022. First record of caenagnathid dinosaurs (Theropoda, Oviraptorosauria) from the Cerro del Pueblo Formation (Campanian, Upper Cretaceous), Coahuila, Mexico. Journal of South American Earth Sciences 119:104046 [P. Mannion/P. Mannion] |