Parictis
| Parictis | |
|---|---|
| Status zaštite | |
 Status zaštite: izumrli | |
| Raspon fosila | |
| Eocen - miocen | |
| Sistematika | |
| Carstvo: | Animalia |
| Koljeno: | Chordata |
| Razred: | Mammalia |
| Red: | Carnivora |
| Porodica: | Ursidae |
| Potporodica: | Amphicynodontinae |
| Rod: | Parictis' |
| Vrste | |
Vidi tekst | |
| Baze podataka | |
Parictis je najstariji rod medvjeda znan znanstvenicima. Trenutno je sastavljen od osam vrsta. To su bili mali medvjedi s lubanjom dugom tek 7 centimetara. Prvo su se pojavili u Sjevernoj Americi u kasnom eocenu (prije otprilike 38 milijuna godina), a u Euroaziju i Afriku ne dolaze sve do miocena.[1]
Vrste
- P. bathygenus White 1947.
- P. dakotensis Clark 1936. ~37 milijuna godina
- P. gilpini Clark & Guensburg 1972. ~35 milijuna godina
- P. major Clark & Guensburg 1972.
- P. montanus Clark & Guensburg 1972. ~36 milijuna godina
- P. parvus Clark & Beerbower, 1967. ~38 milijuna godina
- P. personi Chaffee 1954.[2] ~33 milijuna godina
- P. primaevus, Scott 1893.
P. bathygenus White 1947 je prethodno bio svrstan u Parictis, ali je prebačen u rod Cynelos, u nadporodici Amphicyonoidea.[3][4]
Izvori
- ↑ Kemp, T.S. 2005. The Origin and Evolution of Mammals. Oxford University Press. ISBN 0-19-850760-7
- ↑ Chafee, R. F. 1954. Campylocynodon personi, a new Oligocene carnivore from the Beaver Divide, Wyoming. Journal of Paleontology. 28 (1): 43–46
- ↑ Olsen, Stanley J. 1958. Some problematical carnivores from the Florida Miocene. Journal of Paleontology. 32 (3): 595–602. JSTOR 1300686
- ↑ Tedford, Richard H.; Frailey, David. 1976. Review of some Carnivora (Mammalia) from the Thomas Farm local fauna (Hemingfordian, Gilchrist County, Florida) (PDF). American Museum Novitates; no. 2610. American Museum of Natural History. New York. str. 2. Inačica izvorne stranice (PDF) arhivirana 21. listopada 2014. Pristupljeno 7. listopada 2020.
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