Unnuakomys

Unnuakomys is an extinct metatherian mammal from the Maastrichtian age of the Late Cretaceous. It was discovered in the Prince Creek Formation of Alaska, and is the northernmost metatherian known.[1]

Unnuakomys
Temporal range: Maastrichtian 69 Ma
Unnuakomys (lower left, inside hollow trunk) being stalked by a dromaeosaur
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Family: Pediomyidae
Genus: Unnuakomys
Eberle 2019
Type species
Unnuakomys hutchisoni
Eberle 2019

Paleobiology

Weighing less than an ounce, Unnuakomys was about the size of a mouse.[2] It was likely an insectivore.

References

  1. Eberle, Jaelyn J.; Clemens, William A.; McCarthy, Paul J.; Fiorillo, Anthony R.; Erickson, Gregory M.; Druckenmiller, Patrick S. (2019-02-14). "Northernmost record of the Metatheria: a new Late Cretaceous pediomyid from the North Slope of Alaska". Journal of Systematic Palaeontology. 0 (21): 1805–1824. doi:10.1080/14772019.2018.1560369. ISSN 1477-2019.
  2. "Cretaceous Marsupial Lived Above Arctic Circle | Paleontology | Sci-News.com". Breaking Science News | Sci-News.com. Retrieved 2019-03-22.
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