Шаблон:Phylogeny/Ursidae
| A possible phylogeny based on complete mitochondrial DNA sequences from Yu et al. (2007).[1] | ||||||||||||||||||||||||||||||||||||||||||||||||
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| The polar bear and the brown bear form a close grouping, while the relationships of the other species are not very well resolved.[2] |
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| A more recent phylogeny based on the genetic study of Kumar et al. (2017).[3] | |||||||||||||||||||||||||||||||||||||||||||||
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| The study concludes that Ursine bears originated around 5 million years ago and show extensive hybridization of species in their lineage.[3] |
Документација шаблона[направи]- ^ Yu, Li; Li, Yi-Wei; Ryder, Oliver A.; Zhang, Ya-Ping (2007). „Analysis of complete mitochondrial genome sequences increases phylogenetic resolution of bears (Ursidae), a mammalian family that experienced rapid speciation”. BMC Evolutionary Biology. 7 (198): 198. Bibcode:2007BMCEE...7..198Y. PMC 2151078
. PMID 17956639. doi:10.1186/1471-2148-7-198 .
- ^ Servheen, C.; Herrero, S.; Peyton, B. (1999). Bears: Status Survey and Conservation Action Plan (PDF). IUCN. стр. 26—30. ISBN 978-2-8317-0462-3. Архивирано (PDF) из оригинала 2022-10-09. г.
- ^ а б Kumar, V.; Lammers, F.; Bidon, T.; Pfenninger, M.; Kolter, L.; Nilsson, M. A.; Janke, A. (2017). „The evolutionary history of bears is characterized by gene flow across species”. Scientific Reports. 7: 46487. Bibcode:2017NatSR...746487K. PMC 5395953 . PMID 28422140. doi:10.1038/srep46487.
