The stiff-spine spiny-rat (Proechimys echinothrix) or Tefe spiny rat, is a spiny rat species[2] found in Brazil and Colombia.

Stiff-spine spiny-rat
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Echimyidae
Subfamily: Echimyinae
Tribe: Myocastorini
Genus: Proechimys
Species:
P. echinothrix
Binomial name
Proechimys echinothrix
da Silva, 1998

Phylogeny

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Morphological characters and mitochondrial cytochrome b DNA sequences showed that P. echinothrix represents one independent evolutionary lineage within the genus Proechimys, without clear phylogenetic affinity for any of the 6 major groups of species.[3][2][4][5]

Species-level cladogram of the genus Proechimys.
Myocastorini  
  Hoplomys  

  Hoplomys gymnurus

  Proechimys  

  Proechimys canicollis (Colombian spiny rat)

  Proechimys decumanus (Pacific spiny rat)

  Proechimys echinothrix (Stiff-spine spiny rat)

  Proechimys simonsi (Simon's spiny rat)

  group gardneri  
  group semispinosus  
  group guyannensis  
  group longicaudatus  
  group goeldii  
  group trinitatus  
The cladogram has been reconstructed from morphological characters and mitochondrial DNA (cytochrome b) sequences.[3][2][4][5]

References

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  1. ^ Patton, J.; Percequillo, A. (2016). "Proechimys echinothrix". IUCN Red List of Threatened Species. 2016: e.T29463A22207611. doi:10.2305/IUCN.UK.2016-2.RLTS.T29463A22207611.en. Retrieved 13 November 2021.
  2. ^ a b c 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.
  3. ^ a b 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.
  4. ^ a b 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. ISSN 0003-0090.
  5. ^ a b 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.