Guaira spiny rat

The Guaira spiny-rat (Proechimys guairae) is a species of rodent in the family Echimyidae.[2] It is endemic to Venezuela. It is commonly referred to as 'casiragua' to avoid confusion with true rats (Muroidea)[3]

Guaira spiny-rat
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Echimyidae
Tribe: Myocastorini
Genus: Proechimys
Species:
P. guairae
Binomial name
Proechimys guairae
Thomas, 1901

Phylogeny

Morphological characters and mitochondrial cytochrome b DNA sequences showed that P. guairae belongs to the so-called trinitatus group of Proechimys species, and shares closer phylogenetic affinities with the other members of this clade: P. trinitatus, P. mincae, P. poliopus, P. magdalenae, P. chrysaeolus, P. urichi, and P. hoplomyoides.[4][5][6][7]

Species-level cladogram of the genus Proechimys.
  Proechimys  

  Proechimys simonsi (Simon's spiny rat)

  group semispinosus  

  Proechimys semispinosus (Tome's spiny rat)

  Proechimys gorgonae

  Proechimys oconnelli (O'Connell's spiny rat)

  group longicaudatus  

  Proechimys longicaudatus (Long-tailed spiny rat)

  Proechimys brevicauda (Short-tailed spiny rat)

  Proechimys gularis

  Proechimys cuvieri (Cuvier's spiny rat)

  group guyannensis  

  Proechimys guyannensis (Guyenne spiny rat)

  Proechimys roberti (Roberto's spiny rat)

  Proechimys oris

  Proechimys boimensis

  Proechimys echinothrix (Stiff-spine spiny rat)

  group trinitatus  

  Proechimys trinitatus (Trinidad spiny rat)

  Proechimys mincae (Minca spiny rat)

  Proechimys guairae (Guaira spiny rat)

  Proechimys poliopus (Gray-footed spiny rat)

  Proechimys magdalenae (Magdalena spiny rat)

  Proechimys chrysaeolus (Boyacá spiny rat)

  Proechimys urichi (Sucre spiny rat)

  Proechimys hoplomyoides (Guyanan spiny rat)

  Proechimys canicollis (Colombian spiny rat)

  Proechimys decumanus (Pacific spiny rat)

  group goeldii  

  Proechimys steerei (Steere's spiny rat)

  Proechimys quadruplicatus (Napo spiny rat)

  Proechimys amphichoricus

  Proechimys goeldii (Goeldi's spiny rat)

  Proechimys hyleae

  group gardneri  

  Proechimys gardneri (Gardner's spiny rat)

  Proechimys pattoni (Patton's spiny rat)

  Proechimys kulinae (Kulina spiny rat)

  Hoplomys  

  Hoplomys gymnurus

The cladogram has been reconstructed from morphological characters and mitochondrial DNA (cytochrome b) sequences.[4][5][6][7]

References

  1. Roach, N.; Naylor, L. (2016). "Proechimys guairae". IUCN Red List of Threatened Species. 2016: e.T18284A22209221. doi:10.2305/IUCN.UK.2016-2.RLTS.T18284A22209221.en. Retrieved 13 November 2021.
  2. Woods, C.A.; Kilpatrick, C.W. (2005). "Species Proechimys guairae". 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. 1538–1600. ISBN 978-0-8018-8221-0. OCLC 62265494.
  3. Weir, Barbara J. (1973). "Another hystricomorph rodent: keeping casiragua (Proechimys guairae) in captivity". Laboratory Animals. 7 (2): 125–134. doi:10.1258/002367773781008687. PMID 4712301.
  4. Patton, James L. (1987). "Species groups of spiny rats, genus Proechimys (Rodentia: Echimyidae)". Fieldiana: Zoology, Studies in Neotropical Mammalogy: Essays in Honor of Philip Hershkovitz. 39: 305–345. ISSN 0015-0754.
  5. Da Silva, Maria Nazareth F. (1998). "Four New species of spiny rats of the genus Proechimys (Rodentia : Echimyidae) from the Western Amazon of Brazil". Proceedings of the Biological Society of Washington. 111: 436–471. ISSN 0006-324X.
  6. Patton, James L.; Da Silva, Maria Nazareth F.; Malcolm, Jay R. (2000-01-25). "Mammals of the Rio Juruá and the evolutionary and ecological diversification of Amazonia". Bulletin of the American Museum of Natural History. 244: 1–306. doi:10.1206/0003-0090(2000)244<0001:MOTRJA>2.0.CO;2. hdl:2246/1593. ISSN 0003-0090. S2CID 85577629.
  7. Patton, James L.; Leite, Rafael N. (2015-03-09). "Genus Proechimys J. A. Allen, 1899". In Patton, James L.; Pardiñas, Ulyses F. J.; D’Elía, Guillermo (eds.). Mammals of South America, Volume 2: Rodents. University of Chicago Press. pp. 950–989. ISBN 9780226169606.


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