Olallamys

Olallamys
Temporal range: Recent
↓
White-tailed olalla rat, Olallamys albicauda
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Mammalia
Order:Rodentia
Family:Echimyidae
Subfamily:Echimyinae
Tribe:Echimyini
Genus:Olallamys
Emmons, 1988
Species

Olallamys albicauda
Olallamys edax

Olallamys is a genus of Andean soft-furred spiny rat that range from Panama through Colombia and Venezuela to northern Ecuador.[1] These species are typically found at elevations above 2,000 metres (6,600 ft).[2]

Systematics

Olallamys is a taxonomic patronym honoring the Ecuadorian birds and mammals collector Carlos Olalla.[3]

The genus Olallamys contains two species:

Phylogeny

Olallamys is a member of the Echimyini clade of arboreal Echimyidae rodents. The closest relative of Olallamys is Dactylomys, and then Kannabateomys. These South American bamboo rats share unique features and are grouped under the informal clade name of "Dactylomyines".[4] The dactylomyines are the sister genera to Diplomys and Santamartamys. All these taxa are closely related to the genera Echimys, Phyllomys, Makalata, Pattonomys, and Toromys. In turn, these genera share phylogenetic affinities with the clade containing Lonchothrix and Mesomys, and with Isothrix.[5]

Genus-level cladogram of the Echimyini.

root  

         

         

         

         

         

 

  Echimys

 
 

  Phyllomys

 
 
 

  Makalata

 
 
 

         

  Pattonomys

 
 

  Toromys
  (Giant tree-rat)

 
 
 
 

  "Dactylomyines"  

         

 

  Dactylomys

 
 

  Olallamys

 
 
 

  Kannabateomys
  (Atlantic bamboo rat)

 
 
 

 

  Diplomys

 
 

  Santamartamys
  (Red-crested tree-rat)

 
 
 
 
  "Eumysopines"  

 

  Lonchothrix
  (Tuft-tailed spiny tree-rat)

 
 

  Mesomys

 
 
 
 

  Isothrix

 
 
The cladogram has been reconstructed from mitochondrial and nuclear DNA characters.[6][7][8][9][10][11][12][13][5]

References

  1. ↑ Woods, C.A.; Kilpatrick, C.W. (2005). "Genus Olallamys". In Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 1576. ISBN 978-0-8018-8221-0. OCLC 62265494.
  2. ↑ Eisenberg, J. F.; Redford, K. H. (May 15, 2000). Mammals of the Neotropics, Volume 3: The Central Neotropics: Ecuador, Peru, Bolivia, Brazil. University of Chicago Press. p. 483. ISBN 978-0-226-19542-1. OCLC 493329394.
  3. ↑ Emmons, L. H. (1988-05-20). "Replacement Name for a Genus of South American Rodent (Echimyidae)". Journal of Mammalogy. 69 (2): 421. doi:10.2307/1381405. ISSN 0022-2372.
  4. ↑ Fabre, Pierre-Henri; Patton, James L.; Leite, Yuri L. R. (2016). "Family Echimyidae (hutias, South American spiny-rats and coypu)". In Wilson, Don E.; Lacher, Thomas E. Jr; Mittermeier, Russell A. Handbook of the Mammals of the World. Vol 6. Lagomorphs and Rodents I. Barcelona: Lynx Edicions. pp. 552–641. ISBN 978-84-941892-3-4.
  5. 1 2 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.
  6. ↑ Lara, Márcia C.; Patton, James L.; da Silva, Maria Nazareth F. (1996). "The Simultaneous Diversification of South American Echimyid Rodents (Hystricognathi) Based on Complete Cytochrome b Sequences". Molecular Phylogenetics and Evolution. 5 (2): 403–413. doi:10.1006/mpev.1996.0035.
  7. ↑ Leite, Yuri L. R.; Patton, James L. (2002). "Evolution of South American spiny rats (Rodentia, Echimyidae): the star-phylogeny hypothesis revisited". Molecular Phylogenetics and Evolution. 25 (3): 455–464. doi:10.1016/s1055-7903(02)00279-8.
  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.
  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.
  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. ↑ Loss, Ana; Moura, Raquel T.; Leite, Yuri L. R. (2014). "Unexpected phylogenetic relationships of the painted tree rat Callistomys pictus (Rodentia: Echimyidae)" (PDF). Natureza on line. 12: 132–136.
  12. ↑ 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.
  13. ↑ 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. 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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