Canis lupus mogollonensis
| Canis lupus youngi, Cascade mountain wolf, Bernard's wolf, Greenland wolf, Manitoba wolf|
The Mogollon mountain wolf (Canis lupus mogollonensis) is an extinct subspecies of gray wolf 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.
Mogollon mountain wolf Wikipedia
As of 2005, 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.
Because of its overlapping range with the Mexican wolf, along with the Texas wolf, it was proposed by biologists Bogan and Mehlhop for the Mogollon mountain wolf and the Texas wolf to be conglomerated under the same taxonomic name and subspecies as the Mexican wolf. This was because the Mogollon mountain wolf was seen as merely a possible middle subspecies between the Mexican wolf and the Southern Rocky Mountains wolf, thus making it unnecessary to distinguish taxonomically. This was accepted by the US Fish and Wildlife Service in 1982 and a "zone of subspecies intergradation" was recognized soon thereafter, extending from the southern Rocky Mountains to the northern tip of the Mexican wolf's range.See further: Gray wolf taxonomy
The NCBI/Genbank has an entry for Canis lupus mogollonensis and a separate entry for Canis lupus baileyi.