Which dog breed is extinct, Japanese Chin or Tahltan Bear Dog?
Tahltan Bear Dog The Tahltan Bear Dog was a breed of dog that was indigenous to Canada. This breed is believed to be extinct by most authorities.
Amphicyon Amphicyon ("ambiguous dog") is an extinct genus of large carnivorous bone-crushing mammals, popularly known as bear-dogs, of the family Amphicyonidae, subfamily Amphicyoninae, from the Aquitanian Epoch until the early Pleistocene. They ranged over North America, Europe, Asia, and Africa from 16.9—2.6 Ma ago, existing approximately .