Eupleridae: Difference between revisions
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Revision as of 08:17, 5 November 2012
| Euplerids[1] | |
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| Fossa | |
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| Family: | Eupleridae Chenu, 1850
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| Eupleridae subfamily ranges | |
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The family Eupleridae is a group of carnivorans endemic to Madagascar and comprising 10 known living species in seven genera. Probably the best known species is the fossa (Cryptoprocta ferox), in the subfamily Euplerinae. All species of Euplerinae were formerly classified as viverrids, while all species in the subfamily Galidiinae were classified as herpestids.
Recent molecular studies indicate that the 10 living species of Madagascar carnivorans evolved from one ancestor that is thought to have rafted over from mainland Africa 18-24 million years ago. This makes Malagasy carnivorans a clade. They are closely allied with the true herpestid mongooses, their closest living relatives.[2] The fossa and the Malagasy civet (Fossa fossana) are believed to be the most ancient surviving species within this group.
All Eupleridae are considered threatened species due to habitat destruction, as well as predation and competition from non-native species.[3]
Taxonomy and phylogeny
Historically, the relationships of the Madagascar carnivorans have been contentious, but molecular evidence suggests they form a single clade, now recognized as the family Eupleridae.[4][5] The hyena family Hyaenidae is a sister taxon of the euplerid and herpestid clade, and when grouped together with the viverrids and felids as well as some smaller groups forms the feliform (cat-like carnivores) clade.[6][7]
The evolutionary divergence between the herpestids and the euplerids dates back to the Oligocene,[7] at a time feliforms shared many similarities, particularly between the cats and the viverrids. Palaeoprionodon (within superfamily Aeluroidea), found in Europe and Asia from the late Eocene or early Oligocene, looked similar to the modern fossa, while Proailurus, an extinct form of cat, exhibited many viverrid-like characteristics.[8] Despite these similarities in the fossil record, the modern Malagasy carnivores are distinctly different, with subfamily Euplerinae and the subfamily Galidiinae bearing similarities with civets and mongooses respectively.[6] Euplerinae (including the fossa, falanouc, and Malagasy civet) has auditory regions similar to those of viverrids, while Galidiinae has auditory regions similar to those of herpestids. Based on this trait, Robert M. Hunt Jr. proposed in 1996 that Madagascar was colonized twice, once by viverrids and once by herpestids. The genetic studies by Yoder and colleagues in 2003 suggested a single colonization event by a primitive herpestid ancestor, followed quickly by adaptive radiation. The common ancestor arrived from Africa, probably by rafting, during the late Oligocene or early Miocene (24–18 mya),[6][7] though Philippe Gaubert and Veron estimated a divergence date of 19.4 mya (16.5–22.7 mya).[7][9]
- Family Eupleridae
- Subfamily Euplerinae
- Fossa, Cryptoprocta ferox
- Giant fossa, Cryptoprocta spelea (extinct)
- Eastern falanouc, Eupleres goudotii
- Western falanouc, Eupleres major
- Malagasy civet, Fossa fossana
- Subfamily Galidiinae
- Ring-tailed mongoose, Galidia elegans
- Broad-striped Malagasy mongoose, Galidictis fasciata
- Grandidier's mongoose, Galidictis grandidieri
- Narrow-striped mongoose, Mungotictis decemlineata
- Brown-tailed mongoose, Salanoia concolor
- Durrell's mongoose, Salanoia durrelli
- Subfamily Euplerinae
| Phylogeny of Malagasy carnivores (Eupleridae)[4] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Phylogeny of Eupleridae within Feliformia[7] | ||||||||||||||||||||||||||||||
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See also
References
- ^ Wozencraft, W. C. (2005). "Order Carnivora". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 532–628. ISBN 978-0-8018-8221-0. OCLC 62265494.
- ^ John J. Flynn et al.: Molecular Phylogenie of the Carnivora (Mammalia): Assesssing the Impact of Increased Sampling on Resolving Engimatic Relationships, Syst. Biol. 54(2):317–337, 2005 Molecular Phylogeny of Carnivora
- ^ http://animaldiversity.ummz.umich.edu/site/accounts/information/Eupleridae.html
- ^ a b Yoder, AD; Burns, A.D.; Zehr, M.M.; Delefosse, S.; Veron, T.; Goodman, G.; Flynn, S.M. (2003). "Single origin of Malagasy Carnivora from an African ancestor" (PDF). Nature. 421 (6924): 734–737. doi:10.1038/nature01303. PMID 12610623. Retrieved 19 May 2010.
{{cite journal}}:|first8=missing|last8=(help) - ^ Wozencraft, W.C. (2005). "Order Carnivora". In Wilson, D.E.; Reeder, D.M. (eds.). Mammal Species of the World (3rd ed.). Johns Hopkins University Press. pp. 559–561. ISBN 978-0-8018-8221-0.
{{cite book}}: External link in|chapterurl=|chapterurl=ignored (|chapter-url=suggested) (help) - ^ a b c Yoder, A.D.; Flynn, J.J. (2003). "Origin of Malagasy Carnivora". In Goodman, S.M.; Benstead, J.P. (eds.). The Natural History of Madagascar. University of Chicago Press. pp. 1253–1256. ISBN 0-226-30306-3.
- ^ a b c d e Barycka, E. (2007). "Evolution and systematics of the feliform Carnivora". Mammalian Biology. 72 (5): 257–282. doi:10.1016/j.mambio.2006.10.011.
- ^ Köhncke, M.; Leonhardt, K. (1986). "Cryptoprocta ferox" (PDF). Mammalian Species (254): 1–5. Retrieved 19 May 2010.
- ^ Gaubert, P.; Veron, G. (2003). "Exhaustive sample set among Viverridae reveals the sister-group of felids: the linsangs as a case of extreme morphological convergence within Feliformia" (PDF). Proceedings of the Royal Society B. 270 (1532): 2523–2530. doi:10.1098/rspb.2003.2521. PMC 1691530. PMID 14667345.
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