| Nanocuris Temporal range:
Late Cretaceous (
Maastrichtian)
| |
|---|---|
Scientific classification
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | † Deltatheroida |
| Family: | † Deltatheridiidae |
| Genus: | †
Nanocuris Fox, Scott & Bryant, 2007 |
| Species: | †N. improvida
|
| Binomial name | |
| †Nanocuris improvida Fox, Scott & Bryant, 2007
| |
Nanocuris is an extinct genus of Deltatheridiidae from the Cretaceous of Canada ( Saskatchewan) and United States ( Wyoming - Lance Formation and Hell Creek Formation [1]). [2] Initially, it was classified in a proper family, Nanocuridae, in the clade Eutheria, [2] but a reanalysis of a new specimen revealed a delthatheroid affinity of the genus. [3]
Size
It was the proportionally largest deltatheroidean. [4] [5] Alongside the similarly sized Didelphodon, it likely replaced earlier Cretaceous eutriconodonts as a large sized predatory mammal. [6]
Classification
Ironically, it's closest relative is the smallest deltatheroidean, Gurbanodelta. [7]
References
- ^ G. P. Wilson and J. A. Riedel. 2010. New specimen reveals deltatheroidan affinities of the North American Late Cretaceous mammal Nanocuris. Journal of Vertebrate Paleontology 30(3):872-884
- ^ a b R. C. Fox, C. S. Scott, and H. N. Bryant. 2007. A new, unusual therian mammal from the Upper Cretaceous of Saskatchewan, Canada. Cretaceous Research 28(5):821-829.
- ^ G. P. Wilson and J. A. Riedel. 2010. New specimen reveals deltatheroidan affinities of the North American Late Cretaceous mammal Nanocuris. Journal of Vertebrate Paleontology 30(3):872-884
- ^ G. W. Rougier, B. M. Davis, and M. J. Novacek. 2015. A deltatheroidan mammal from the Upper Cretaceous Baynshiree Formation, eastern Mongolia. Cretaceous Research 52:167-177
- ^ G. P. Wilson and J. A. Riedel. 2010. New specimen reveals deltatheroidan affinities of the North American Late Cretaceous mammal Nanocuris. Journal of Vertebrate Paleontology 30(3):872-884
- ^ G. W. Rougier, B. M. Davis, and M. J. Novacek. 2015. A deltatheroidan mammal from the Upper Cretaceous Baynshiree Formation, eastern Mongolia. Cretaceous Research 52:167-177
- ^ Ni, Xijun; Li, Qiang; Stidham, Thomas A.; Li, Lüzhou; Lu, Xiaoyu; Meng, Jin (2016). "A late Paleocene probable metatherian (?deltatheroidan) survivor of the Cretaceous mass extinction". Science Reports. 6. Springer Science and Business Media LLC: 38547. Bibcode:2016NatSR...638547N. doi:10.1038/srep38547. PMC 5141426. PMID 27924847.
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