The Texas wolf (''Canis lupus monstrabilis'') is an extinct subspecies of gray wolf, distinct from the Texas

red wolf The red wolf (''Canis rufus'') is a canine native to the southeastern United States. Its size is intermediate between the coyote (''Canis latrans'') and gray wolf (''Canis lupus''). The red wolf's taxonomic classification as being a separate s ...

(''Canis rufus''), whose range once included southern and western

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

and northeastern

Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...

Description

It was darker than its more northern cousins, and has a highly arched

frontal bone The frontal bone is a bone in the human skull. The bone consists of two portions.''Gray's Anatomy'' (1918) These are the vertically oriented squamous part, and the horizontally oriented orbital part, making up the bony part of the forehead, par ...

.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.

Taxonomy

It is recognized as a subspecies of ''Canis lupus'' in the taxonomic authority ''

Mammal Species of the World ''Mammal Species of the World: A Taxonomic and Geographic Reference'' is a standard reference work in mammalogy giving descriptions and bibliographic data for the known species of mammals. It is now in its third edition, published in late 2005, ...

(2005)''.

References

{{Taxonbar, from=Q718137 Wolves in the United States Extinct canines Extinct animals of the United States Extinct animals of Mexico Subspecies of Canis lupus Mammals described in 1937 Taxa named by Edward Alphonso Goldman Species made extinct by deliberate extirpation efforts