Cornwallius
| Cornwallius Temporal range: | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | †Desmostylia |
| Family: | †Desmostylidae |
| Genus: | †Cornwallius Hay 1923 |
| Species: | †C. sookensis |
| Binomial name | |
| †Cornwallius sookensis | |
Cornwallius is an extinct herbivorous marine mammal of the family Desmostylidae. Cornwallius lived along the North American Pacific Coast from the Early Oligocene (Chattian) through the Oligocene (28.4 mya—20.6 Mya) and existing for approximately 7.8 million years.[1][2]
The type locality is the Chattian Sooke Formation, Vancouver Island, British Columbia, Canada (48°24′N 123°54′W / 48.4°N 123.9°W, paleocoordinates 48°00′N 115°00′W / 48.0°N 115.0°W).[2]
Cornwallius was named by Hay 1923. Its type is Desmostylus sookensis, named by Cornwall 1922 and recombined to Cornwallius sookensis by Hay 1923.[3]
Fossils have been discovered from Baja California Peninsula, Oregon and Washington coasts, and Unalaska Island.[4]
Notes
[edit]- ^ Cornwallius in the Paleobiology Database. Retrieved 16 June 2013.
- ^ a b Muir Creek (Oligocene of Canada) in the Paleobiology Database. Retrieved 16 June 2013.
- ^ Cornwallius sookensis in the Paleobiology Database. Retrieved 16 June 2013.
- ^ Beatty 2006b
References
[edit]- Beatty, Brian Lee (2006a). "Rediscovered specimens of Cornwallius (Mammalia, Desmostylia) from Vancouver Island, British Columbia, Canada" (PDF). Vertebrate Palaeontology. 1 (1): 1–6. Retrieved 16 June 2013.
- Beatty, Brian Lee (2006b). "Specimens of Cornwallius sookensis (Desmostylia, Mammalia) from Unalaska Island, Alaska". Journal of Vertebrate Paleontology. 26 (3): 785–87. doi:10.1671/0272-4634(2006)26[785:socsdm]2.0.co;2. JSTOR 4524623. S2CID 85919379.
- Cornwall, I. E. (1922). "Some Notes on the Sooke Formation, Vancouver Island, B.C.". Canadian Field-Naturalist. 36 (7): 121–23. doi:10.5962/p.338167.
- Hay, O. P. (1923). "Characteristics of sundry fossil vertebrates". Pan-American Geologist. 39: 101–20. OCLC 38855496.
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