Oxetocyon: Difference between revisions
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{{Short description|Extinct genus of carnivores}} |
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{{Taxobox |
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{{Speciesbox |
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|fossil_range = {{Fossil range|Early Oligocene|Late Oligocene}} |
| fossil_range = {{Fossil range|Early Oligocene|Late Oligocene}} |
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| display_parents = 2 |
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|regnum = [[Animal]]ia |
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|phylum = [[Chordata]] |
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|classis = [[Mammalia]] |
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|ordo = [[Carnivora]] |
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|familia = [[Canidae]] |
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| range_map = Oxetocyon range.png |
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|subfamilia = †[[Borophaginae]] |
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| range_map_caption = Range of ''Oxetocyon'' based on fossil distribution |
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|binomial = †''Oxetocyon cuspidatus'' |
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'''''Oxetocyon''''' ("beginning dog") is an extinct |
'''''Oxetocyon''''' ("beginning dog") is an extinct [[monotypic taxon|monospecific]] genus of the [[Borophaginae]] subfamily of [[canid]]s native to [[North America]]. It lived during the Early [[Oligocene]] epoch,<ref>[http://paleodb.org/cgi-bin/bridge.pl?action=checkTaxonInfo&taxon_no=41229&is_real_user=1 PaleoBiology Database: ''Oxetocyon'' Taxonomy, Species]</ref> existing for approximately {{Mya|33.3-30.8|million years}}. Fossils have been found in [[Nebraska]] and [[South Dakota]]. |
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⚫ | Fossils of ''Oxetocyon'' are rare and, as a result, the [[genus]] is poorly known, and only the [[teeth]], [[dentary|dentaries]], and a fragmentary [[skull]] have been reported. The teeth of ''Oxetocyon'' indicate a [[Hypocarnivore|hypocarnivorous]] diet, as is found in the living [[raccoon dog]], and suggest a potential relationship to the unusual borophagine ''[[Otarocyon]]''. ''Oxetocyon'' is distinguished from ''Otarocyon'' by its own set of [[dentition|dental]] specializations for an omnivorous diet, particularly by the presence of a cleft that divides each upper [[Molar (tooth)|molar]] into front and back halves.<ref>Xiaoming Wang, R.H. Tedford, and B.E. Taylor. 1999. [http://www.nhm.org/expeditions/rrc/wang/documents/Wangetal1999borophaginemonographpart1.pdf Phylogenetic systematics of the Borophaginae]</ref> |
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==Taxonomy== |
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==References== |
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{{Reflist}} |
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Only a single species, '''''O. cuspidatus''''', is known. Fossils of ''Oxetocyon'' are rare and, as a result, the [[genus]] is poorly known, and only the [[teeth]], [[dentary|dentaries]], and a fragmentary [[skull]] have been reported. |
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==Sister genera== |
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''[[Archaeocyon]]'', ''[[Otarocyon]]'', and ''[[Rhizocyon]]''. |
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{{Taxonbar|from=Q16952940}} |
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==Fossil distribution== |
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Fossil specimens are relegated to western [[Nebraska]] and [[South Dakota]] |
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== References == |
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{{reflist}} |
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[[Category:Borophagines]] |
[[Category:Borophagines]] |
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[[Category:Oligocene |
[[Category:Oligocene canids]] |
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[[Category:Paleogene mammals of North America]] |
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[[Category:Prehistoric carnivoran genera]] |
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[[Category:Fossil taxa described in 1954]] |
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[[nl:Oxetocyon]] |
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{{canid-stub}} |
Latest revision as of 21:20, 19 March 2023
Oxetocyon Temporal range:
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Order: | Carnivora |
Family: | Canidae |
Subfamily: | †Borophaginae |
Genus: | †Oxetocyon Green, 1954 |
Species: | †O. cuspidatus
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Binomial name | |
†Oxetocyon cuspidatus Green, 1954
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Range of Oxetocyon based on fossil distribution |
Oxetocyon ("beginning dog") is an extinct monospecific genus of the Borophaginae subfamily of canids native to North America. It lived during the Early Oligocene epoch,[1] existing for approximately 2.5 million years. Fossils have been found in Nebraska and South Dakota.
Fossils of Oxetocyon are rare and, as a result, the genus is poorly known, and only the teeth, dentaries, and a fragmentary skull have been reported. The teeth of Oxetocyon indicate a hypocarnivorous diet, as is found in the living raccoon dog, and suggest a potential relationship to the unusual borophagine Otarocyon. Oxetocyon is distinguished from Otarocyon by its own set of dental specializations for an omnivorous diet, particularly by the presence of a cleft that divides each upper molar into front and back halves.[2]
References[edit]
- ^ PaleoBiology Database: Oxetocyon Taxonomy, Species
- ^ Xiaoming Wang, R.H. Tedford, and B.E. Taylor. 1999. Phylogenetic systematics of the Borophaginae