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Clyomys

Clyomys
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Echimyidae
Subfamily: Euryzygomatomyinae
Genus: Clyomys
Thomas, 1916
Type species
Echimys laticeps
Thomas, 1909
Species

Clyomys laticeps

Clyomys is a South American rodent genus in the family Echimyidae. It contains two species, found in tropical savannas and grasslands from circa 100 m (300 ft) to 1,100 m (3,600 ft) elevation in central Brazil and eastern Paraguay.[1]

The term Clyomys derives from the two ancient greek words κλύω (klúō, or clyo), meaning "to listen, to prick up one's ears", and μῦς (mûs), meaning "mouse, rat".[2][3]

The Clyomys species are as follows:

Phylogeny

Clyomys is the sister genus to Euryzygomatomys. Both taxa are closely related to the genus Trinomys. In turn, these three genera — forming the clade of Euryzygomatomyinae — share phylogenetic affinities with a clade containing Carterodon and members of the family Capromyidae.[5]

Analyses of craniodental characters proposed that Clyomys — and also Euryzygomatomys — may be associated with Carterodon.[6][7] However, molecular data suggest the polyphyly of this assemblage of fossorial genera.[5]

Genus-level cladogram of the Euryzygomatomyinae
with their relationship to Carterodon and Capromyidae.
  Octodontoidea  
Euryzygomatomyinae
         

  Trinomys (Atlantic spiny rats)

         

  Clyomys

  Euryzygomatomys (guiaras)

  Carterodon (Owl's spiny rat)

Capromyidae
  Plagiodontini  

  Plagiodontia

  Capromyini  

  Geocapromys

         
         

  Capromys (Desmarest's hutia)

         

  Mesocapromys

  Mysateles

The cladogram has been reconstructed from mitochondrial and nuclear DNA characters.[8][9][10][11][12][5] According to this phylogenetic tree, the fossorial genera Euryzygomatomys, Clyomys, and Carterodon constitute a polyphyletic assemblage (red bar).

References

  1. ^ Woods, C.A.; Kilpatrick, C.W. (2005). "Genus Clyomys". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 1582. ISBN 978-0-8018-8221-0. OCLC 62265494.
  2. ^ Bailly, Anatole (1981-01-01). Abrégé du dictionnaire grec français. Paris: Hachette. ISBN 978-2010035289. OCLC 461974285.
  3. ^ Bailly, Anatole. "Greek-french dictionary online". www.tabularium.be. Retrieved 2017-01-24.
  4. ^ Hadler, P.; et al. (2008). "Caviomorphs (Mammalia, Rodentia) from the Holocene of Rio Grande do Sul state, Brazil: systematics and paleoenvironmental context". Revista Brasileira de Paleontologia. 11 (2): 97–116. doi:10.4072/rbp.2008.2.03.
  5. ^ a b c Fabre, Pierre-Henri; Upham, Nathan S.; Emmons, Louise H.; Justy, Fabienne; Leite, Yuri L. R.; Loss, Ana Carolina; Orlando, Ludovic; Tilak, Marie-Ka; Patterson, Bruce D.; Douzery, Emmanuel J. P. (2017-03-01). "Mitogenomic Phylogeny, Diversification, and Biogeography of South American Spiny Rats". Molecular Biology and Evolution. 34 (3): 613–633. doi:10.1093/molbev/msw261. ISSN 0737-4038. PMID 28025278.
  6. ^ Carvalho, Guilherme A. S.; Salles, Leandro O. (2004-12-01). "Relationships among extant and fossil echimyids (Rodentia: Hystricognathi)". Zoological Journal of the Linnean Society. 142 (4): 445–477. doi:10.1111/j.1096-3642.2004.00150.x. ISSN 0024-4082.
  7. ^ Candela, Adriana M.; Rasia, Luciano L. (2012-02-01). "Tooth morphology of Echimyidae (Rodentia, Caviomorpha): homology assessments, fossils, and evolution". Zoological Journal of the Linnean Society. 164 (2): 451–480. doi:10.1111/j.1096-3642.2011.00762.x. hdl:11336/189033. ISSN 0024-4082.
  8. ^ Galewski, Thomas; Mauffrey, Jean-François; Leite, Yuri L. R.; Patton, James L.; Douzery, Emmanuel J. P. (2005). "Ecomorphological diversification among South American spiny rats (Rodentia; Echimyidae): a phylogenetic and chronological approach". Molecular Phylogenetics and Evolution. 34 (3): 601–615. doi:10.1016/j.ympev.2004.11.015. PMID 15683932.
  9. ^ Upham, Nathan S.; Patterson, Bruce D. (2012). "Diversification and biogeography of the Neotropical caviomorph lineage Octodontoidea (Rodentia: Hystricognathi)". Molecular Phylogenetics and Evolution. 63 (2): 417–429. doi:10.1016/j.ympev.2012.01.020. PMID 22327013.
  10. ^ Fabre, Pierre-Henri; Galewski, Thomas; Tilak, Marie-ka; Douzery, Emmanuel J. P. (2013-03-01). "Diversification of South American spiny rats (Echimyidae): a multigene phylogenetic approach". Zoologica Scripta. 42 (2): 117–134. doi:10.1111/j.1463-6409.2012.00572.x. ISSN 1463-6409.
  11. ^ Fabre, Pierre-Henri; Vilstrup, Julia T.; Raghavan, Maanasa; Der Sarkissian, Clio; Willerslev, Eske; Douzery, Emmanuel J. P.; Orlando, Ludovic (2014-07-01). "Rodents of the Caribbean: origin and diversification of hutias unravelled by next-generation museomics". Biology Letters. 10 (7): 20140266. doi:10.1098/rsbl.2014.0266. ISSN 1744-9561. PMC 4126619. PMID 25115033.
  12. ^ Upham, Nathan S.; Patterson, Bruce D. (2015). "Evolution of Caviomorph rodents: a complete phylogeny and timetree for living genera". In Vassallo, Aldo Ivan; Antenucci, Daniel (eds.). Biology of caviomorph rodents: diversity and evolution. Buenos Aires: SAREM Series A, Mammalogical Research — Sociedad Argentina para el Estudio de los Mamíferos. pp. 63–120.


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