Hexameryx
| Hexameryx Temporal range: Pliocene
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Hexameryx
White, 1941
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Hexameryx is an extinct genus of the artiodactyl family Antilocapridae, endemic to North America during the Pliocene epoch (5.3—4.9 mya), existing for approximately 0.4 million years.[1]
Hexameryx was a six-horned pronghorn that had well-forked horns.
Taxonomy
Hexameryx was named by White (1941). Its type is Hexameryx simpsoni. It was synonymized subjectively with Hexobelomeryx by Simpson (1945), Ferrusquia (1978) and Ahearn (1988). It was assigned to Antilocapridae by White (1941), Webb (1973), Carroll (1988) and Janis and Manning (1998).[2][3]
Morphology
Body mass
Three specimens were examined by M. Mendoza for body mass and estimated to have a weight of:
- Specimen 1: Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
- Specimen 2: Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
- Specimen 3: Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).[4]
Sources
- ↑ PaleoBiology Database: Hexameryx, basic info
- ↑ T. E. White. 1941. Addition to the fauna of the Florida Pliocene. Proceedings of the New England Zoological Club 18:67-70 [J. Alroy/J. Alroy/W. Clyde]
- ↑ C. M. Janis and E. Manning. 1998. Antilocapridae. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary mammals of North America 491-507
- ↑ M. Mendoza, C. M. Janis, and P. Palmqvist. 2006. Estimating the body mass of extinct ungulates: a study on the use of multiple regression. Journal of Zoology
- Late Cretaceous and Cenozoic Mammals of North America: Biostratigraphy and Geochronology by Michael O. Woodburne
- Pleistocene Mammals of North America by Bjýýrn Kurtýýn and Elaine Anderson
- Florida's Fossils: Guide to Location, Identification and Enjoyment by Robin C. Brown
- Horns, Tusks, and Flippers: The Evolution of Hoofed Mammals by Donald R. Prothero and Robert M. Schoch
External links
- Hexameryx in the Paleobiology Database
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