Cañadón del Loro: Late/Upper Maastrichtian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Plesiosauria - Elasmosauridae
Aristonectes parvidens n. gen., n. sp. Cabrera 1941
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:44.9° South, 58.5° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
Key time interval:Late/Upper Maastrichtian
Age range of interval:72.10000 - 66.00000 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:2023-11-10 14:57:41
Access level:the public Released:2010-09-03 11:38:39
Creative Commons license:CC BY
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]