Trapalcó, locality B: Late/Upper Maastrichtian, Argentina
collected by Hector Cabaza and Museo Municipal de Lamarque 1998-2001

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Mosasauridae
Plioplatecarpus sp. Dollo 1882
Fernández et al. 2008 1 individual
MML-PV7, Two cervical, ten dorsal, and twelve caudal vertebrae, one tooth and fragments of a mandible
Reptilia - Plesiosauria - Elasmosauridae
cf. Mauisaurus sp. Hector 1874
1 specimen
MML-PV4 (one incomplete cervical vertebra, 13 incomplete dorsals, three sacrals, 24 caudals, two ilia and the left anterior paddle [humerus, radius, ulna, proximal and distal carpals and phalanges)
    = Elasmosauridae indet. Cope 1869
Gasparini et al. 2007
see common names

Geography
Country:Argentina State/province:Río Negro
Coordinates: 39.9° South, 66.6° West (view map)
Paleocoordinates:42.3° South, 54.7° West
Basis of coordinate:stated in text
Geographic resolution:small collection
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:70.60000 - 66.00000 m.y. ago
Stratigraphy
Geological group:Malargüe Formation:Jagüel
Stratigraphic resolution:bed
Stratigraphy comments: 0.3 m below the Cretaceous/Paleogene boundary
Lithology and environment
Primary lithology: mudstone
Includes fossils?Y
Lithology description: Mudstone
Environment:marine indet.
Geology comments: shallow inner-platform environment
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collectors:Hector Cabaza and Museo Municipal de Lamarque Collection dates:1998-2001
Collection method comments: MML, Museo Municipal de Lamarque, Rio Negro, Argentina
Metadata
Database number:140998
Authorizer:P. Mannion, E. Vlachos Enterer:P. Mannion, F. Aspromonte
Modifier:F. Aspromonte Research group:vertebrate
Created:2013-03-20 03:08:30 Last modified:2024-01-08 10:41:01
Access level:the public Released:2013-03-20 03:08:30
Creative Commons license:CC BY
Reference information

Primary reference:

45789. Z. Gasparini, L. Salgado, and S. Casadio. 2003. Maastrichtian plesiosaurs from northern Patagonia. Cretaceous Research 240:157-170 [P. Mannion/P. Mannion/P. Mannion]

Secondary references:

71968 M. Fernández, J. Martin, and S. Casadío. 2008. Mosasaurs (Reptilia) from the late Maastrichtian (Late Cretaceous) of northern Patagonia (Río Negro, Argentina). Journal of South American Earth Sciences 25(2):176-186 [P. Mannion/P. Mannion/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]