Hyracodon: Difference between revisions

Hyracodon; Temporal range: Middle Eocene–Late Oligocene PreꞒ Ꞓ O S D C P T J K Pg N
	Skeleton in Natural History Museum of Los Angeles
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Perissodactyla
Family:	†Hyracodontidae
Genus:	†Hyracodon; Leidy, 1856
Species
	†H. browni; †H. leidyanus; †H. medius; †H. nebraskensis; †H. petersoni; †H. affinis; †H. eximus; †H. modestus; †H. primus; †H. princeps; †H. priscidens;

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Revision as of 20:44, 29 November 2023

Hyracodon ('hyrax tooth') is an extinct genus of perissodactyl mammal.

It was a lightly built, pony-like mammal of about 1.5 m (5 ft) long. Hyracodon's skull was large in comparison to the rest of the body. Hyracodon's dentition resembled that of later rhinocerotoids, but it was a much smaller animal and differed very little in appearance from the primitive horses of which it was a contemporary (32–26 million years ago). It had a short, broad snout and its long, slender limbs had three digits.^[2]

Like the primitive horses, hyracodonts inhabited open forests and wooded steppes and turned from browsing foliage to grazing grass. They died out without leaving any descendants and they mark the end of the phylogenetic branch of hornless, running rhinoceroses.

References

^ McKenna, M. C; Bell, S. K. (1997). Classification of Mammals above the Species Level. Columbia University Press. ISBN 0-231-11012-X.
^ Palmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. pp. 283–284. ISBN 1-84028-152-9.

Sources

Benes, Josef (1979). Prehistoric Animals and Plants. Prague, CZ: Artua. p. 220.

This prehistoric odd-toed ungulate-related article is a stub. You can help Wikipedia by expanding it.

[McK&B-1] McKenna, M. C; Bell, S. K. (1997). Classification of Mammals above the Species Level. Columbia University Press. ISBN 0-231-11012-X.

[EoDP-2] Palmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. pp. 283–284. ISBN 1-84028-152-9.

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[2]

@@ Line 22: / Line 22: @@
 '''''Hyracodon''''' ('[[hyrax]] tooth') is an [[extinct]] [[genus]] of [[perissodactyl]] mammal.
 [[File:Knight Hyracodon.jpg|thumb|left|Restoration by [[Charles R. Knight]].]]
-It was a lightly built, [[pony]]-like mammal of about 1.5&nbsp;m (5&nbsp;ft) long. ''Hyracodon'''s [[skull]] was large in comparison to the rest of the body. ''Hyracodon's'' [[dentition]] resembled that of later [[rhinoceroses]], but it was a much smaller animal and differed very little in appearance from the primitive horses of which it was a contemporary (32–26&nbsp;million years ago). It had a short, broad snout and its long, slender limbs had three digits.<ref name=EoDP>{{cite book |editor=Palmer, D. |year=1999 |title= The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals |publisher= Marshall Editions |location=London |pages=283–284 |isbn=1-84028-152-9}}</ref>
+It was a lightly built, [[pony]]-like mammal of about 1.5&nbsp;m (5&nbsp;ft) long. ''Hyracodon'''s [[skull]] was large in comparison to the rest of the body. ''Hyracodon's'' [[dentition]] resembled that of later [[rhinocerotoid]]s, but it was a much smaller animal and differed very little in appearance from the primitive horses of which it was a contemporary (32–26&nbsp;million years ago). It had a short, broad snout and its long, slender limbs had three digits.<ref name=EoDP>{{cite book |editor=Palmer, D. |year=1999 |title= The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals |publisher= Marshall Editions |location=London |pages=283–284 |isbn=1-84028-152-9}}</ref>
 [[File:Hyracodon.jpg|thumb|Restoration by [[Heinrich Harder]].]]