Nakonanectes-type locality: Early/Lower Maastrichtian, Montana
collected 1988
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Plesiosauria
- Elasmosauridae
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Nakonanectes bradti n. gen., n. sp.
Serratos et al. 2017
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1 specimen | |||||||||
MOR 3072 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Montana | County: | Phillips County |
Coordinates: | 47.8° North, 106.7° West (view map) | ||||
Paleocoordinates: | 54.5° North, 79.6° West | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
Key time interval: | Early/Lower Maastrichtian | Other zone: | Baculites baculus–B. grandis |
Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
Formation: | Bearpaw Shale |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | not reported |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body,concretion |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | taxonomic analysis | Collection dates: | 1988 |
Metadata
Also known as: | Fort Peck Reservoir | ||
Database number: | 196671 | ||
Authorizer: | G. Lloyd | Enterer: | G. Lloyd | Research group: | vertebrate |
Created: | 2018-09-27 16:19:50 | Last modified: | 2018-09-27 16:19:50 |
Access level: | the public | Released: | 2018-09-27 16:19:50 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
66914. | D. J. Serratos, P. Druckenmiller, and R. B. J. Benson. 2017. A new elasmosaurid (Sauropterygia, Plesiosauria) from the Bearpaw Shale (Late Cretaceous, Maastrichtian) of Montana demonstrates multiple evolutionary reductions of neck length within Elasmosauridae. Journal of Vertebrate Paleontology 37(2):e1278608 [G. Lloyd/G. Lloyd/G. Lloyd] |