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Texas wolf
Illustration based on a description by Edward Alphonso Goldman
Conservation status
Extinct (19th century)  (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
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
Historical and present range of gray wolf subspecies in North America
Synonyms
niger (Bartram, 1791)

The Texas wolf (Canis lupus monstrabilis) is an extinct subspecies of gray wolf, distinct from the Texas red wolf (Canis rufus), whose range once included southern and western Texas and northeastern Mexico.

Description

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

Taxonomy

It is recognized as a subspecies of Canis lupus in the taxonomic authority Mammal Species of the World (2005).

References

1. "Canis lupus monstrabilis Goldman, 1937" – ITIS Report. Itis.gov. Retrieved on 2012-12-31.
2. ^ Wozencraft, W. C. (2005). "Order Carnivora". 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. 575–577. ISBN 978-0-8018-8221-0. OCLC 62265494. url=https://books.google.com/books?id=JgAMbNSt8ikC&pg=PA576
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.

v t e Extinct Canidae
Kingdom Animalia Phylum Chordata Class Mammalia Order: Carnivora Suborder: Caniformia
Canidae Canidae †Prohesperocyon †Hesperocyoninae Hesperocyon Mesocyon Cynodesmus Sunkahetanka Philotrox Enhydrocyon Paraenhydrocyon Caedocyon Ectopocynus Osbornodon O. brachypus O. fricki O. iamonensis O. renjiei O. sesnoni O. scitulus O. wangi †Borophaginae Archaeocyon Oxetocyon Otarocyon Rhizocyon Phlaocyonini Cynarctoides Phlaocyon P. achoros P. annectens P. latidens P. leucosteus P. mariae P. marslandensis P. minor P. multicuspus P. taylori P. yatkolai Borophagini Cormocyon Desmocyon Metatomarctus Euoplocyon Psalidocyon Microtomarctus Protomarctus Tephrocyon Cynarctina Paracynarctus Cynarctus Aelurodontina Tomarctus Aelurodon Borophagina Paratomarctus Carpocyon Protepicyon Epicyon Borophagus B. diversidens B. dudleyi B. hilli B. littoralis B. orc B. parvus B. pugnator B. secundus Caninae see below↓
Caninae Caninae †Leptocyon †Metalopex Urocyon †U. citrinus †U. galushai †U. minicephalus †U. progressus †U. webbi Vulpini †Ferrucyon †Prototocyon Nyctereutes (raccoon dogs) †N. abdeslami †N. donnezani †N. lockwoodi †N. megamastoides †N. sinensis †N. tingi †N. vinetorum Vulpes (true foxes) †V. hassani †V. praeglacialis †V. qiuzhudingi †V. riffautae †V. rooki †V. skinneri †V. stenognathus †V. gigas Canini (true dogs) †Canis gezi †Nurocyon Cerdocyonina (zorro) †Protocyon †Theriodictis Speothos †Pleistocene bush dog (S. pacivorus) †Dusicyon Falkland Islands wolf (D. australis) D. avus D. cultridens Lycalopex (South American foxes) †L. cultridens (?) †L. ensenadensis Canina (wolf-like canids) see below↓
Canina (wolf-like canids) Canina †Dire wolf (Aenocyon) †Sardinian dhole (Cynotherium) †Trinil dog (Mececyon) †Merriam's dog (Megacyon) †Xenocyon †Eucyon E. davisi E. debonisi E. ferox E. khoikhoi Lycaon †L. magnus †L. sekowei Dhole (Cuon alpinus) †C. a. antiquus †C. a. caucasicus †European dhole (C. a. europaeus) †Tien Shan dhole (C. a. hesperius) Canis †C. antonii †C. apolloniensis †Armbruster's wolf (C. armbrusteri) †C. arnensis †C. borjgali †C. cedazoensis †C. chihliensis †Edward's wolf (C. edwardii) †Etruscan wolf (C. etruscus) †C. lepophagus †Mosbach wolf (C. mosbachensis) †C. nehringi †C. palmidens †C. variabilis Coyote (C. latrans) †Pleistocene coyote (C. l. orcutti) Red wolf (C. rufus) †Florida black wolf (C. r. floridanus) †Gregory's wolf (C. r. gregoryi) Wolf (C. lupus) †Prehistoric C. l. bohemica C. l. lunellensis C. l. maximus C. l. santenaisiensis Cave wolf (C. l. spelaeus) Beringian wolf †Recently extinct Sicilian wolf (C. l. cristaldii) Hokkaido wolf (C. l. hattai) Japanese wolf (C. l. hodophilax) Austro-Hungarian wolf Synonymized under C. l. arctos: Bernard's wolf (C. l. bernardi) Synonymized under C. l. occidentalis: Kenai Peninsula wolf (C. l. alces) Manitoba wolf (C. l. griseoalbus) Synonymized under C. l. nubilus: Newfoundland wolf (C. l. beothucus) Cascade mountain wolf (C. l. fuscus) Mogollon mountain wolf (C. l. mogollonensis) Texas wolf (C. l. monstrabilis) Southern Rocky Mountain wolf (C. l. youngi)
See also: Evolution of the wolf Category:Extinct canids

• IUCN Red List extinct species
• Extinct subspecies of Canis lupus
• Wolves in the United States
• Extinct animals of the United States
• Extinct animals of Mexico
• Mammals described in 1937
• Taxa named by Edward Alphonso Goldman
• Species made extinct by deliberate extirpation efforts