Tomarctus: Difference between revisions
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{{Short description|Extinct genus of carnivores}} |
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{{Automatic taxobox |
{{Automatic taxobox |
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| fossil_range = early to middle [[Miocene]] {{fossilrange|20.43|13.6}} |
| fossil_range = early to middle [[Miocene]] {{fossilrange|20.43|13.6}} |
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| image = Tomarctus temerarius. |
| image = Tomarctus temerarius cropped.jpg |
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| image_caption = |
| image_caption = T. temerarius skull, now synonymous of T. brevirostris |
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| display_parents = 3 |
| display_parents = 3 |
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| taxon = Tomarctus |
| taxon = Tomarctus |
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| authority = [[Edward Drinker Cope|Cope]], 1873 |
| authority = [[Edward Drinker Cope|Cope]], 1873 |
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| type_species = ''Tomarctus brevirostris'' |
| type_species = †'''''Tomarctus brevirostris''''' |
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| subdivision_ranks = Species |
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| subdivision_ref = <ref name="Wang1999">{{cite journal| last = Wang| first = Xiaoming|author2=Richard Tedford |author3=Beryl Taylor | title = Phylogenetic systematics of the Borophaginae| journal = Bulletin of the American Museum of Natural History| volume = 243| date = 1999-11-17| url = http://www.nhm.org/expeditions/rrc/wang/documents/Wangetal1999borophaginemonographpart1.pdf| accessdate = 2007-07-08 }}</ref> |
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| subdivision = |
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* †''T. brevirostris'' |
| subdivision = * †''T. brevirostris'' |
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* †''T. hippophaga '' |
* †''T. hippophaga '' |
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| range_map = Tomarctus range.png |
| range_map = Tomarctus range.png |
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}} |
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'''''Tomarctus''''' is a [[canidae|canid]] genus of the extinct [[subfamily]] [[Borophaginae]] which inhabited most of [[North America]] during the late [[Early Miocene]] to the [[Barstovian|Early Barstovian]] age of the [[Middle Miocene]] (23—16 million years ago). ''Tomarctus'' existed for approximately {{Mya|20.43-13.6|million years}}. |
'''''Tomarctus''''' is a [[canidae|canid]] [[genus]] of the [[extinct]] [[subfamily]] [[Borophaginae]] which inhabited most of [[North America]] during the late [[Early Miocene]] to the [[Barstovian|Early Barstovian]] age of the [[Middle Miocene]] (23—16 million years ago). ''Tomarctus'' existed for approximately {{Mya|20.43-13.6|million years}}. |
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This animal shared a period and ecology with a variety of |
This animal shared a period and ecology with a variety of [[bear dog]]s, giant [[mustelid]] genera, and the genus of bone-crushing Canidae, ''[[Cynarctoides]]''. As the bear dogs and giant mustelids became extinct, ''Tomarctus'' were a [[hyena]]-like fruit-eating canidae. |
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<!-- ==Morphology== |
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*Tedford, R.H. 1978. History of dogs and cats: A view from the fossil record. Pages 1 – 10 in Nutrition and Management of Dogs and Cats. Ralston Purina Co.: St. Louis. |
*Tedford, R.H. 1978. History of dogs and cats: A view from the fossil record. Pages 1 – 10 in Nutrition and Management of Dogs and Cats. Ralston Purina Co.: St. Louis. |
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*[http://paleodb.org/cgi-bin/bridge.pl?action=checkTaxonInfo&taxon_no=41246&is_real_user=1 - Bio One Data Base - Tomarctus] |
*[http://paleodb.org/cgi-bin/bridge.pl?action=checkTaxonInfo&taxon_no=41246&is_real_user=1 - Bio One Data Base - Tomarctus] |
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[[File:Tomarctus brevirostris.png|thumb|412x412px|Reconstruction of Tomarctus brevirostris.]] |
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{{Canidae extinct nav}} |
{{Canidae extinct nav}} |
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{{Taxonbar|from=Q2193177}} |
{{Taxonbar|from=Q2193177}} |
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[[Category:Serravallian extinctions]] |
[[Category:Serravallian extinctions]] |
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[[Category:Prehistoric mammals of North America]] |
[[Category:Prehistoric mammals of North America]] |
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[[Category:Prehistoric |
[[Category:Prehistoric carnivoran genera]] |
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[[Category:Burdigalian first appearances]] |
[[Category:Burdigalian first appearances]] |
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[[Category:Taxa named by Edward Drinker Cope]] |
[[Category:Taxa named by Edward Drinker Cope]] |
Latest revision as of 19:17, 1 April 2023
Tomarctus Temporal range: early to middle Miocene
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T. temerarius skull, now synonymous of T. brevirostris | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Order: | Carnivora |
Family: | Canidae |
Subfamily: | †Borophaginae |
Tribe: | †Borophagini |
Subtribe: | †Aelurodontina |
Genus: | †Tomarctus Cope, 1873 |
Type species | |
†Tomarctus brevirostris | |
Species[1] | |
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Range of Tomarctus based on fossil distribution |
Tomarctus is a canid genus of the extinct subfamily Borophaginae which inhabited most of North America during the late Early Miocene to the Early Barstovian age of the Middle Miocene (23—16 million years ago). Tomarctus existed for approximately 6.83 million years.
This animal shared a period and ecology with a variety of bear dogs, giant mustelid genera, and the genus of bone-crushing Canidae, Cynarctoides. As the bear dogs and giant mustelids became extinct, Tomarctus were a hyena-like fruit-eating canidae.
Species[edit]
The genus currently contains two accepted species, Tomarctus brevirostris and Tomarctus hippophaga.
Tomarctus brevirostris, synonymous with Aelurodon francisi, was named by Edward Drinker Cope in 1873. Fossil specimens have been found as far south as Panama, east to Plum Point, Maryland, west to California, and north to Montana.[2]
Tomarctus hippophaga was first described by Matthew and Cook in 1909 from the Trojan Quarry, Olcott Formation, Nebraska. Specimens have since been found as far west as California and as far north as the Montana/Alberta, Canada line.[3]
References[edit]
- ^ Wang, Xiaoming; Richard Tedford; Beryl Taylor (1999-11-17). "Phylogenetic systematics of the Borophaginae" (PDF). Bulletin of the American Museum of Natural History. 243. Retrieved 2007-07-08.
- ^ Paleobiology Database: Tomarctus brevirostris
- ^ Paleobiology Database: Tomarctus hippophaga
- Martin, L.D. 1989. Fossil history of the terrestrial carnivora. Pages 536 - 568 in J.L. Gittleman, editor. Carnivore Behavior, Ecology, and Evolution, Vol. 1. Comstock Publishing Associates: Ithaca.
- Tedford, R.H. 1978. History of dogs and cats: A view from the fossil record. Pages 1 – 10 in Nutrition and Management of Dogs and Cats. Ralston Purina Co.: St. Louis.
- - Bio One Data Base - Tomarctus