Lago Colhue Huapi, Rio Chico (FMNH): Campanian - Maastrichtian, Argentina
collected by J. B. Abbott 1923
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Hadrosauridae
|
||||||||||
|
Secernosaurus koerneri n. gen., n. sp.
Brett-Surman 1979
|
1 individual | |||||||||
| FMNH PR 13423, two ilia, prepubis, scapula, fibula, caudals and partial braincase | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Chubut |
| Coordinates: | 45.6° South, 68.5° West (view map) | ||
| Paleocoordinates: | 46.2° South, 53.2° West (Wright 2013) | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Campanian - Maastrichtian | 10 m.y. bin: | Cretaceous 7 - Cretaceous 8 |
| Key time interval: | Campanian - Maastrichtian | ||
| Age range of interval: | 83.6 - 66 m.y. ago |
Stratigraphy
| Geological group: | Chubut | Formation: | Lago Colhué Huapi | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: also described as "San Jorgé Formation"; Formation formerly identified as "Laguna Palacios" | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Associated major elements: | all |
| Fragmentation: | occasional |
| Temporal resolution: | snapshot |
Collection methods and comments
| Collection methods: | mechanical,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | FMNH | ||
| Collectors: | J. B. Abbott | Collection dates: | 1923 |
Metadata
| Also known as: | Secernosaurus type | ||
| Database number: | 58574 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | F. Aspromonte | Research group: | vertebrate |
| Created: | 2006-02-14 10:37:52 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2006-02-14 10:37:52 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 12425. | ETE | M. K. Brett-Surman. 1979. Phylogeny and palaeobiogeography of hadrosaurian dinosaurs. Nature 277:560-562 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
| 59610 | J. F. Bonaparte. 1978. El Mesozoico de America de Sur y sus Tetrapodos [The Mesozoic of South America and its tetrapods]. Opera Lilloana 26:1-596 [M. Carrano/M. Carrano] | |
| 63573 | J. F. Bonaparte. 1984. I dinosauri dell’Argentina [. In G. M. Ronzoni, M. L. Greggio, & T. B. Guarinoni (eds.), Sulle Orme dei Dinosauri 125-143 [M. Carrano/M. Carrano] | |
| 16547 | ETE | J. F. Bonaparte. 1996. Cretaceous tetrapods of Argentina. Münchner Geowissenschaften Abhandlungen 30:73-130 [M. Carrano/M. Carrano/M. Carrano] |
| 76410 | G. A. Casal, J. O. Allard, and N. Foix. 2015. Análisis estratigráfico y paleontológico del Cretácico Superior en la Cuenca del Golfo San Jorge: nueva unidad litoestratigráfica para el Grupo Chubut [Stratigraphic and paleontological analysis of the Upper Cretaceous in the Golfo San Jorge Basin: a new lithostratigraphic unit for the Chubut Group]. Revista de la Asociación Geológica Argentina 72(1):77-95 [M. Carrano/M. Carrano] | |
| 75729 | P. Cruzado-Caballero, L. S. Filippi, A. H. Méndez, A. C. Garrido, and I. Díaz-Martínez. 2018. First ornithopod remains from the Bajo de la Carpa Formation (Santonian, Upper Cretaceous), northern Patagonia, Argentina. Cretaceous Research 83:182-193 [M. Carrano/M. Carrano/M. Carrano] | |
| 87818 | L. M. Ibiricu, G. A. Casal, R. D. Martínez, B. N. Alvarez, and S. F. Poropat. 2020. New materials and an overview of Cretaceous vertebrates from the Chubut Group of the Golfo San Jorge Basin, central Patagonia, Argentina. Journal of South American Earth Sciences 98:102460 [E. Vlachos/F. Aspromonte/P. Mannion] | |
| 58994 | R. D. F. Martínez, M. C. Lamanna, F. E. Novas, R. C. Ridgley, G. A. Casal, J. E. Martínez, J. R. Vita and L. M. Witmer. 2016. A basal lithostrotian titanosaur (Dinosauria: Sauropoda) with a complete skull: implications for the evolution and paleobiology of Titanosauria. PLoS ONE 11(4):e0151661:1-82 [M. Carrano/M. Carrano] | |
| 32771 | ETE | A. Prieto-Marquez and G. C. Salinas. 2010. A re-evaluation of Secernosaurus koerneri and Kritosaurus asutralis (Dinosauria, Hadrosauridae) from the Late Cretaceous of Argentina. Journal of Vertebrate Paleontology 30(3):813-837 [M. Carrano/M. Carrano/M. Carrano] |
| 61518 | D. B. Weishampel and J. B. Weishampel. 1983. Annotated localities of ornithopod dinosaurs: implications to Mesozoic paleobiogeography. The Mosasaur 1:43-87 [M. Carrano/M. Carrano] |