estancia María Aike: Late Cenomanian - Middle Turonian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Drusilasaura deseadensis n. gen., n. sp.
Navarrete et al. 2011
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1 individual | |||||||||
| MPM-PV 2097/1 to 2097/19 (1 measurement) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Santa Cruz | County: | Lago Buenos Aires |
| Coordinates: | 46.7° South, 69.7° West (view map) | ||||
| Paleocoordinates: | 46.4° South, 37.2° West (Wright 2013) | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Cenomanian - Turonian | 10 m.y. bin: | Cretaceous 5 - Cretaceous 6 |
| Key time interval: | Late Cenomanian - Middle Turonian | ||
| Age range of interval: | 100.5 - 89.8 m.y. ago |
Stratigraphy
| Geological group: | Chubut | Formation: | Bajo Barreal | Member: | Upper |
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: upper half of Upper Member | |||||
Lithology and environment
| Primary lithology: | medium,coarse muddy sandstone |
| Secondary lithology: | conglomerate |
| Includes fossils? | Y |
| Lithology description: "Bank of coarse to medium sandstones with a high concentration of pelites, intercalated between fangolites" | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | medium |
| Fragmentation: | frequent |
| Temporal resolution: | snapshot |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,surface (in situ),mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 109015 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2011-05-10 00:53:50 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2011-05-10 00:53:50 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 36033. | ETE | C. Navarrete, G. Casal, and R. Martínez. 2011. Drusilasaura deseadensis gen. et sp. nov., un nuevo titanosaurio (Dinosauria–Sauropoda), de la Formacíon Bajo Barreal, Cretácico Superior del norte de Santa Cruz, Argentina [Drusilasaura deseadensis gen. et sp. nov., a new titanosaur (Dinosauria–Sauropoda), from the Bajo Barreal Formation, Upper Cretaceous of the north of Santa Cruz, Argentina]. Revista Brasileira de Paleontologia 14(1):1-14 [M. Carrano/M. Carrano] |
Secondary references:
| 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] |