Nothokemas

Nothokemas
Nothokemas
Temporal range: Oligocene–Miocene
Conservation status
Fossil
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Suborder: Ruminantia
Family: Camelidae
Genus: Nothokemas
White (1940)
Species
  • N. floridanus
  • N. hidalgensis
  • N. waldropi

Nothokemas is an extinct genus of terrestrial herbivore the family Camelidae, endemic to North America from the Oligocene through Miocene 30.8— 20.430 mya, existing for approximately 10.757 million years.[1]

Contents

Taxonomy

Nothokemas was named by White (1940) [also said to be 1947]. It was assigned to Camelidae by White (1940) and Honey et al.[2]

Morphology

Four specimens were examined for estimated body mass by M. Mendoza, C. M. Janis, and P. Palmqvist. These specimens were estimated to weigh:

  • 73.8 kg (160 lb)
  • 78.8 kg (170 lb)
  • 48.0 kg (110 lb)
  • 52.3 kg (120 lb) [3]

Fossil distribution

Fossil distribution is concentrated along the Gulf Coast from Texas to Florida in 11 different sites.

References

  1. ^ PaleoBiology Database: Nothokemas, basic info
  2. ^ J. G. Honey, J. A. Harrison, D. R. Prothero and M. S. Stevens. 1998. Camelidae. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America 1:439-462.
  3. ^ 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 270(1):90-101
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