Chrysocetus
| Chrysocetus |
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|---|---|
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| Superorder: |
<templatestyles src="Noitalic/styles.css"/>†Archaeoceti
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| Order: | |
| Family: |
<templatestyles src="Noitalic/styles.css"/>†Basilosauridae
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| Subfamily: |
<templatestyles src="Noitalic/styles.css"/>†Dorudontinae
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| Genus: |
<templatestyles src="Noitalic/styles.css"/>†Chrysocetus
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| Species | |
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Chrysocetus (from Greek chrysous, "golden", and ketos, "whale", in reference to the gold-colored bones of the type specimen)[1] is a genus of extinct early whale known from Late Eocene-aged fossils of the eastern US and western Africa.
Contents
Taxonomy
The type species, Chrysocetus healyorum, is based on a single subadult specimen from the late middle or early late Eocene of Orangeburg County, South Carolina (Lua error in package.lua at line 80: module 'strict' not found., paleocoordinates Lua error in package.lua at line 80: module 'strict' not found.).[2] The holotype, SCSM 87.195, consists of a partial skull with lower jaws, ten teeth, and the hyoid apparatus; 21 vertebrae, some ribs and a sternum; a partial left forelimb; and partial innominates.[1]
A second species, Chrysocetus fouadassii, is known from Bartonian-age deposits in the Western Sahara.[3]
Description
Chrysocetus is similar to Zygorhiza except that it lacks the denticles on the cingula of the upper premolars characteristic of Zygorhiza. The premolars of Chrysocetus have smoother enamel than other dorudontines and are more gracile than those of Dorudon.[1]
Notes
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- ↑ 1.0 1.1 1.2 Uhen & Gingerich 2001, p. 3
- ↑ Santee Portland Cement Co. quarry (Eocene of the United States) in the Paleobiology Database. Retrieved April 2013.
- ↑ Philip D. Gingerich and Samir Zouhri (2015). "New fauna of archaeocete whales (Mammalia, Cetacea) from the Bartonian middle Eocene of southern Morocco". Journal of African Earth Sciences 111: 273–286. doi:10.1016/j.jafrearsci.2015.08.006.
