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Cynarctoides Temporal range: Oligocene–Middle Miocene PreꞒ Ꞓ O S D C P T J K Pg N
Cynarctoides lemur fossil, University of California Museum of Paleontology.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Carnivora
Family:	Canidae
Subfamily:	†Borophaginae
Tribe:	†Phlaocyonini
Genus:	†Cynarctoides McGrew, 1938
Species
See text
Range of Cynarctoides based on fossil record

Cynarctoides is an extinct genus of the Borophaginae subfamily of canids native to North America. It lived from the Early Oligocene to the Middle Miocene, 33.3—13.6 Mya, existing for approximately 19.7 million years. Seven species are currently recognised, all of which are estimated to have weighed no more than 1 kilogram (2.2 lb). They had an unusual dentition that implies an omnivorous, or possibly even herbivorous, diet.

Species

• Cynarctoides acridens Barbour & Cook 1914 (syn. Cynarctus mustelinus) - Wyoming, California, New Mexico, Texas, ~20.6—16.3 Ma
• Cynarctoides emryi Wang et al. 1999 - Nebraska ~20.6—16.3 Ma
• Cynarctoides gawnae Wang et al. 1999 - New Mexico ~20.3—5.3 Ma
• Cynarctoides harlowi Loomis 1932 - Wyoming ~24.8—20.6 Ma
• Cynarctoides lemur Cope 1879 - Oregon, South Dakota, Florida ~24.8—20.6 Ma
• Cynarctoides luskensis Wang et al. 1999 - Wyoming ~24.8—20.6 M
• Cynarctoides roii Macdonald 1963 - South Dakota, Nebraska ~30.8—26.3 Ma

Fossil evidence suggests that C. lemur migrated to the east and southeast over time becoming extinct in the northwest followed by the upper Great Plains and then the southeast.

References

1. Wang, Xiaoming; Richard Tedford; Beryl Taylor (1999-11-17). "Phylogenetic systematics of the Borophaginae" (PDF). Bulletin of the American Museum of Natural History. 243. Archived from the original (PDF) on 2007-03-20. Retrieved 2007-07-08.
2. Wang, Xiaoming; Tedford, Richard H. (2008). Dogs, Their Fossil Relatives and Evolutionary History. Columbia. p. 38. ISBN 978-0-231-13528-3.

• 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.
• Fossilworks - Cynarctoides

v t e Extinct Canidae
Kingdom Animalia Phylum Chordata Class Mammalia Order: Carnivora Suborder: Caniformia
Canidae Canidae †Prohesperocyon †Hesperocyoninae Hesperocyon Mesocyon Cynodesmus Sunkahetanka Philotrox Enhydrocyon Paraenhydrocyon Caedocyon Ectopocynus Osbornodon O. brachypus O. fricki O. iamonensis O. renjiei O. sesnoni O. scitulus O. wangi †Borophaginae Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon P. achoros P. annectens P. latidens P. leucosteus P. mariae P. marslandensis P. minor P. multicuspus P. taylori P. yatkolai Borophagini Cormocyon Desmocyon Metatomarctus Euoplocyon Psalidocyon Microtomarctus Protomarctus Tephrocyon Cynarctina Paracynarctus Cynarctus Aelurodontina Tomarctus Aelurodon Borophagina Paratomarctus Carpocyon Protepicyon Epicyon Borophagus B. diversidens B. dudleyi B. hilli B. littoralis B. orc B. parvus B. pugnator B. secundus Caninae see below↓
Caninae Caninae †Leptocyon †Metalopex Urocyon †U. citrinus †U. galushai †U. minicephalus †U. progressus †U. webbi Vulpini †Ferrucyon †Prototocyon Nyctereutes (raccoon dogs) †N. abdeslami †N. donnezani †N. lockwoodi †N. megamastoides †N. sinensis †N. tingi †N. vinetorum Vulpes (true foxes) †V. hassani †V. praeglacialis †V. qiuzhudingi †V. riffautae †V. rooki †V. skinneri †V. stenognathus †V. gigas Canini (true dogs) †Canis gezi †Nurocyon Cerdocyonina (zorro) †Protocyon †Theriodictis Speothos †Pleistocene bush dog (S. pacivorus) †Dusicyon Falkland Islands wolf (D. australis) D. avus D. cultridens Lycalopex (South American foxes) †L. cultridens (?) †L. ensenadensis Canina (wolf-like canids) see below↓
Canina (wolf-like canids) Canina †Dire wolf (Aenocyon) †Sardinian dhole (Cynotherium) †Trinil dog (Mececyon) †Merriam's dog (Megacyon) †Xenocyon †Eucyon E. davisi E. debonisi E. ferox E. khoikhoi Lycaon †L. magnus †L. sekowei Dhole (Cuon alpinus) †C. a. antiquus †C. a. caucasicus †European dhole (C. a. europaeus) †Tien Shan dhole (C. a. hesperius) Canis †C. antonii †C. apolloniensis †Armbruster's wolf (C. armbrusteri) †C. arnensis †C. borjgali †C. cedazoensis †C. chihliensis †Edward's wolf (C. edwardii) †Etruscan wolf (C. etruscus) †C. lepophagus †Mosbach wolf (C. mosbachensis) †C. nehringi †C. palmidens †C. variabilis Coyote (C. latrans) †Pleistocene coyote (C. l. orcutti) Red wolf (C. rufus) †Florida black wolf (C. r. floridanus) †Gregory's wolf (C. r. gregoryi) Wolf (C. lupus) †Prehistoric C. l. bohemica C. l. lunellensis C. l. maximus C. l. santenaisiensis Cave wolf (C. l. spelaeus) Beringian wolf †Recently extinct Sicilian wolf (C. l. cristaldii) Hokkaido wolf (C. l. hattai) Japanese wolf (C. l. hodophilax) Austro-Hungarian wolf Synonymized under C. l. arctos: Bernard's wolf (C. l. bernardi) Synonymized under C. l. occidentalis: Kenai Peninsula wolf (C. l. alces) Manitoba wolf (C. l. griseoalbus) Synonymized under C. l. nubilus: Newfoundland wolf (C. l. beothucus) Cascade mountain wolf (C. l. fuscus) Mogollon mountain wolf (C. l. mogollonensis) Texas wolf (C. l. monstrabilis) Southern Rocky Mountain wolf (C. l. youngi)
See also: Evolution of the wolf Category:Extinct canids

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