Texas wolf

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Texas wolf
The Wolves of North America (1944) C. l. monstrabilis ♂.jpg
Possibly Extinct
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Canidae
Genus: Canis
Species: C. lupus
Subspecies: C. l. monstrabilis
Trinomial name
Canis lupus monstrabilis
Goldman, 1937[1][2]

The Texas (gray) wolf ( Canis lupus monstrabilis) is a possible extinct subspecies of gray wolf, distinct from the Texas red wolf (Canis rufus var. "rufus"), whose range once included southern and western Texas and northeastern Mexico. It is darker than its more northern cousins, and has a highly arched frontal bone.[3]

As of 2005,[4] it is considered a valid subspecies by MSW3, though it is classed as either a synonym of C. l. nubilus or C. l. baileyi by the United States Fish and Wildlife Service.[5]


  1. ^ "Canis lupus monstrabilis Goldman, 1937" – ITIS Report. Itis.gov. Retrieved on 2012-12-31.
  2. ^ Texas Wolf. Biolib.cz. Retrieved on 2012-12-31.
  3. ^ Glover, A. (1942), Extinct and vanishing mammals of the western hemisphere, with the marine species of all the oceans, American Committee for International Wild Life Protection, pp. 218-219.
  4. ^ Wozencraft, W.C. (2005). "Order Carnivora". In Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. ISBN 978-0-8018-8221-0. OCLC 62265494. 
  5. ^ Chambers SM, Fain SR, Fazio B, Amaral M (2012). "An account of the taxonomy of North American wolves from morphological and genetic analyses". North American Fauna. 77: 1–67. doi:10.3996/nafa.77.0001. Retrieved 2013-07-02.