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词条 Hypertragulus
释义

  1. Morphology

  2. Fossil distribution

  3. References

{{Italic title}}{{Automatic Taxobox
|name = Hypertragulus
|fossil_range= {{Fossil range|Eocene|Miocene}}
|image = Hypertragulus calcaratus.JPG
|image_caption =
|taxon = Hypertragulus
|authority = Cope, 1873
|subdivision_ranks = Species
|subdivision =
  • H. calcaratus (syn. H. fontanus, H. tricostatus)
  • H. chadronensis
  • H. crawfordensis
  • H. dakotensis
  • H. heikeni
  • H. hesperius
  • H. minor
  • H. minutus
  • H. planiceps
  • H. quadratus
  • H. sequens

|range_map = Hypertragulus range.png
|range_map_caption = Range of Hypertragulus based on fossil record
}}Hypertragulus is an extinct genus belonging to the family Hypertragulidae, within the order Artiodactyla, endemic to North America during the Eocene to Miocene, living {{Ma|42|20.6}}, existing for approximately {{Mya|42-20.6|million years}}.[1]

Hypertragulus were primitive and ancient ruminants, resembling small deer or musk deer, although they were more closely related to modern chevrotains. Its diet is stated to be that of a frugivore.

Morphology

One specimen of Hypertragulus examined for body mass by M. Mendoza, C. M. Janis and P. Palmqvist had a mass of {{Convert|7.29|kg|lb|abbr=on|sigfig=2}}.[2]

Fossil distribution

A partial list of fossil sites:

  • Chihuahua, Mexico
  • Cedar Creek Formation (Lower & Middle), Logan County, Colorado
  • Fort Logan Formation, Meagher County, Montana
  • Upper Pomerado Conglomerate Formation, San Diego County, California
  • Turtle Cove Member of the John Day Formation, Grant County, Oregon

References

1. ^PaleoBiology Database: Hypertragulus, basic info
2. ^{{cite journal |author=M. Mendoza, C. M. Janis & P. Palmqvist |year=2006 |title=Estimating the body mass of extinct ungulates: a study on the use of multiple regression |journal=Journal of Zoology |volume=270 |issue=1 |pages=90–101 |url=http://webpersonal.uma.es/de/ppb/JZool.pdf |format=PDF |doi=10.1111/j.1469-7998.2006.00094.x}}
{{Taxonbar|from=Q5958757}}{{paleo-eventoedungulate-stub}}

6 : Eocene even-toed ungulates|Miocene even-toed ungulates|Aquitanian genus extinctions|Oligocene mammals of North America|White River Fauna|Eocene genus first appearances

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