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.
Sivapanthera Sivapanthera is a extinct genus of felid which lived during the Pleistocene of Eurasia. Some authors consider it a junior synonym of "Acinonyx", the genus of modern cheetahs, but this has not been accepted by many Chinese scientists.