The Japanese wolf, also known as the Honshū wolf, is an extinct subspecies of the gray wolf that was once endemic to the islands of Honshū, Shikoku and Kyūshū in the Japanese archipelago.
Japanese wolf
Mounted skeleton, National Museum of Nature and Science
A fossilized skull unearthed at the Aisawa Quarry of Miyata Lime Industry, dated 33,000–36,000 years old. The left lower jaw bone is 17.9 cm in length.
Mounted specimen in Ueno Zoo
Subspecies of Canis lupus
There are 38 subspecies of Canis lupus listed in the taxonomic authority Mammal Species of the World. These subspecies were named over the past 250 years, and since their naming, a number of them have gone extinct. The nominate subspecies is the Eurasian wolf.
Skulls of various wolf subspecies from North America
Image: Dogs, jackals, wolves, and foxes (Plate III) C. l. albus mod
Image: Dogs, jackals, wolves, and foxes (Plate IV) C. l. arabs mod
Image: Dogs, jackals, wolves, and foxes (Plate III) C. l. campestris mod