Cañadón del Loro: Late Maastrichtian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Plesiosauria
- Elasmosauridae
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Aristonectes parvidens n. gen., n. sp.
Cabrera 1941
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1 individual | |||||||||
| MLP 40-XI-14-6 (holotype skull and cervical vertebrae) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Chubut |
| Coordinates: | 42.7° South, 70.0° West (view map) | ||
| Paleocoordinates: | 42.4° South, 58.0° West (Wright 2013) | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Late Maastrichtian | ||
| Age range of interval: | 72.2 - 66 m.y. ago |
Stratigraphy
| Formation: | Lefipán |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | medium |
| Associated major elements: | many |
| Disassociated major elements: | many |
| Fragmentation: | frequent |
| Bioerosion: | none |
| Encrustation: | none |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 97872 | ||
| Authorizer: | M. Carrano | Enterer: | H. Street |
| Modifier: | F. Aspromonte | Research group: | vertebrate |
| Created: | 2010-09-03 11:38:39 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2010-09-03 11:38:39 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 33831. | Z. Gasparini, N. Bardet, J. E. Martin and M. Fernandez. 2003. The elasmosaurid plesiosaur Aristonectes Cabrera from the latest Cretaceous of South America and Antarctica. Journal of Vertebrate Paleontology 23(1):104-115 [M. Carrano/H. Street] |
Secondary references:
| 38200 | A. Cabrera. 1941. Un plesiosaurio nuevo del Cretáceo del Chubut. Revista del Museo de La Plata 2(8):113-130 [R. Benson/R. Benson/R. Benson] | |
| 46158 | Z. Gasparini, S. Casadio, M. Fernandez and L. Salgado. 2001. Marine reptiles from the Late Cretaceous of northern Patagonia. Journal of South American Earth Sciences 14(1):51-60 [P. Mannion/J. Tennant/F. Aspromonte] | |
| 46152 | Z. Gasparini, L. Salgado, and A. Parras. 2007. Late Cretaceous plesiosaurs from northern Patagonia, Argentina. Geological Journal 42:185-202 [P. Mannion/J. Tennant/F. Aspromonte] | |
| 66212 | C. Martinez, M. A. Gandolfo, and N. R. Cuneo. 2018. Angiosperm leaves and cuticles from the uppermost Cretaceous of Patagonia, biogeographic implications and atmospheric paleo-CO2 estimates. Cretaceous Research 89:107-118 [P. Wilf/E. Stiles/E. Stiles] | |
| 86365 | J. P. O'Gorman. 2016. New Insights on the Aristonectes parvidens (Plesiosauria, Elasmosauridae) holotype: news on an old specimen. Ameghiniana 53(4):397-417 [E. Vlachos/F. Aspromonte] | |
| 86420 | J. P. O'Gorman. 2016. Argentinean plesiosaurs: a commented account of main records, systematic and biogeographical patterns and comments on future perspectives. In F. L. Agnolín, G. L. Lio, F. Brissón Egli, N. R. Chimento, F. E. Novas (eds.), Historia Evolutiva y paleobiogeográfica de los vertebrados de América del Sur (6)37-45 [E. Vlachos/F. Aspromonte] |