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{{Short description|Extinct genus of mammal}}
{{Speciesbox
{{Automatic taxobox
|fossil_range = Early [[Eocene]]
| fossil_range = {{Fossil range|50.3|48.6}} [[Ypresian]]
|image = Heptodon posticus.jpg
| image = Heptodon posticus.jpg
|image_upright = 1.1364
|taxon = Heptodon
| taxon = Heptodon
| display_parents = 2
|authority = [[Edward Drinker Cope|Cope]] 1882
| authority = [[Edward Drinker Cope|Cope]] 1882
|display_parents = 2
|subdivision_ranks = Species
| subdivision_ranks = Species
| subdivision = * {{extinct}}''H. calciculus'' <small>Cope 1880</small>
|subdivision =
* {{extinct}}''H. calciculus'' <small>Cope 1880</small>
* {{extinct}}''H. minimus'' <small>Qi 1987</small>
* {{extinct}}''H. minimus'' <small>Qi 1987</small>
* {{extinct}}''H. niushanensis'' <small>Chow & Li 1965</small>
* {{extinct}}''H. niushanensis'' <small>Chow & Li 1965</small>
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}}
}}


'''''Heptodon''''' is an extinct [[genus]] of [[tapir]]-type herbivore of the family [[Helaletidae]] endemic to [[North America]] during the Early [[Eocene]]. It lived from 50.3—48.6 [[Annum|mya]], existing for approximately {{Mya|50.3-48.6|million years}}.<ref>[http://fossilworks.org/bridge.pl?action=taxonInfo&taxon_no=43095 ''Heptodon'' at fossilworks]</ref>
'''''Heptodon''''' is an extinct [[genus]] of [[tapir]]-type herbivore of the family [[Helaletidae]] endemic to [[North America]] during the Early [[Eocene]]. It lived from 50.3—48.6 [[Annum|mya]], existing for approximately {{Mya|50.3-48.6|million years}}.<ref>[http://www.fossilworks.org/cgi-bin/bridge.pl?action=taxonInfo&taxon_no=43095 ''Heptodon'' at fossilworks]</ref>


''Heptodon'' was about {{convert|1|m|ft}} in length, and closely resembled modern [[tapir]]s. The shape of the skull suggests that it probably lacked the characteristic tapir trunk. Instead it probably had a slightly elongated, fleshy upper lip, like its relative ''[[Helaletes]]''.<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|page= 261|isbn= 1-84028-152-9}}</ref>
''Heptodon'' was about {{convert|1|m|ft}} in length, and closely resembled modern [[tapir]]s. The shape of the skull suggests that it probably lacked the characteristic tapir trunk. Instead it probably had a slightly elongated, fleshy upper lip, like its relative ''[[Helaletes]]''.<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|page= 261|isbn= 1-84028-152-9}}</ref>
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{{Taxonbar|from=Q2669763}}
{{Taxonbar|from=Q2669763}}


[[Category:Eocene odd-toed ungulates]]
[[Category:Eocene Perissodactyla]]
[[Category:Eocene mammals of North America]]
[[Category:Eocene mammals of North America]]
[[Category:Taxa named by Edward Drinker Cope]]
[[Category:Taxa named by Edward Drinker Cope]]

Latest revision as of 07:50, 4 April 2024

Heptodon
Temporal range: 50.3–48.6 Ma
Ypresian
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Perissodactyla
Superfamily: Tapiroidea
Family: Helaletidae
Genus: Heptodon
Cope 1882
Species
  • H. calciculus Cope 1880
  • H. minimus Qi 1987
  • H. niushanensis Chow & Li 1965
  • H. posticus Cope 1882

Heptodon is an extinct genus of tapir-type herbivore of the family Helaletidae endemic to North America during the Early Eocene. It lived from 50.3—48.6 mya, existing for approximately 1.7 million years.[1]

Heptodon was about 1 metre (3.3 ft) in length, and closely resembled modern tapirs. The shape of the skull suggests that it probably lacked the characteristic tapir trunk. Instead it probably had a slightly elongated, fleshy upper lip, like its relative Helaletes.[2]

See also[edit]

References[edit]

  1. ^ Heptodon at fossilworks
  2. ^ Palmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. p. 261. ISBN 1-84028-152-9.