Hayoceros: Difference between revisions
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{{Short description|Extinct genus of mammals}} |
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{{Taxobox |
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{{Automatic taxobox |
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| color = pink |
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| image = Hayoceros 2.png |
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| status = fossil |
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| taxon = Hayoceros |
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| image_width = 200px |
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| regnum = [[Animal]]ia |
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| phylum = [[Chordata]] |
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| classis = [[Mammal]]ia |
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| ordo = [[Artiodactyla]] |
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| familia = [[Antilocapridae]] |
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| genus = '''''Hayoceros''''' |
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| subdivision_ranks = Species |
| subdivision_ranks = Species |
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| subdivision = |
| subdivision = |
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* ''H. barbouri'' |
* †''H. barbouri'' |
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* ''H. falkenbachi'' |
* †''H. falkenbachi'' |
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}} |
}} |
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'''''Hayoceros''''' is an extinct pronghorn from [[Nebraska]]. |
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'''''Hayoceros''''' is an extinct [[genus]] of the [[Artiodactyla|artiodactyl]] [[family (biology)|family]] [[Antilocapridae]], endemic to [[North America]] during the [[Pleistocene]] epoch (1.8 [[Annum|mya]]—300,000 years ago), existing for about 1.5 million years.<ref>[http://paleodb.org/cgi-bin/bridge.pl?action=checkTaxonInfo&taxon_no=41039&is_real_user=1 PaleoBiology Database: ''Dinictis'', basic info]</ref> |
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It was 1.80 (6 ft) long and had four [[horn]]s, arranged in two pairs. The first pair was forked and located above the [[eye]]s, the second was longer, located on the back of the [[skull]] and not forked. Most likely, males used these to fight in a similar fashion to modern pronghorns, locking horns and then pushing until the opponent gives in. |
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==Taxonomy== |
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''Hayoceros'' was named by Skinner (1942) and named as a subgenus of ''[[Tetrameryx]]'' by Frick 1937; it was later raised to genus level. It was assigned to the Antilocapridae by Skinner (1942) and Carroll (1988).<ref>M. F. Skinner. 1942. The fauna of Papago Springs Cave, Arizona, and a study of Stockeros; with three new antilocaprines from Nebraska and Arizona. Bulletin of the American Museum of Natural History 80(6):143-220</ref><ref>R. L. Carroll. 1988. Vertebrate Paleontology and Evolution. W. H. Freeman and Company, New York 1-698</ref> |
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==Morphology== |
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It was about {{convert|1.8|m|ft|abbr=on}} in body length, and in most respects, resembled modern pronghorns. However, in addition to the pair of forked [[horn (anatomy)|horn]]s located above the eyes, as in modern pronghorns, it also possessed a second, longer and unforked, pair on the back of the [[skull]]. Most likely, males used these to fight in a fashion similar to modern pronghorns, locking horns and then pushing until the opponent gives in.<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= 280|isbn= 1-84028-152-9}}</ref> |
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==References== |
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{{Reflist}} |
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{{even-toed-ungulate-stub}} |
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{{Taxonbar|from=Q840096}} |
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[[it:Hayoceros]] |
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[[pt:Hayoceros]] |
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[[Category:Pleistocene Artiodactyla]] |
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[[Category:Pleistocene mammals of North America]] |
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[[Category:Prehistoric Artiodactyla genera]] |
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[[Category:Fossil taxa described in 1942]] |
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Latest revision as of 12:38, 21 December 2023
| Hayoceros Temporal range: Middle-Late Pleistocene
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Family: | Antilocapridae |
| Genus: | †Hayoceros Skinner, 1942 |
| Species | |
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Hayoceros is an extinct genus of the artiodactyl family Antilocapridae, endemic to North America during the Pleistocene epoch (1.8 mya—300,000 years ago), existing for about 1.5 million years.[1]
Taxonomy[edit]
Hayoceros was named by Skinner (1942) and named as a subgenus of Tetrameryx by Frick 1937; it was later raised to genus level. It was assigned to the Antilocapridae by Skinner (1942) and Carroll (1988).[2][3]
Morphology[edit]
It was about 1.8 m (5.9 ft) in body length, and in most respects, resembled modern pronghorns. However, in addition to the pair of forked horns located above the eyes, as in modern pronghorns, it also possessed a second, longer and unforked, pair on the back of the skull. Most likely, males used these to fight in a fashion similar to modern pronghorns, locking horns and then pushing until the opponent gives in.[4]
References[edit]
- ^ PaleoBiology Database: Dinictis, basic info
- ^ M. F. Skinner. 1942. The fauna of Papago Springs Cave, Arizona, and a study of Stockeros; with three new antilocaprines from Nebraska and Arizona. Bulletin of the American Museum of Natural History 80(6):143-220
- ^ R. L. Carroll. 1988. Vertebrate Paleontology and Evolution. W. H. Freeman and Company, New York 1-698
- ^ Palmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. p. 280. ISBN 1-84028-152-9.
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