Which breed of dog is now extinct: Chinese Crested Dog or the Chien-gris?
Chinese Crested Dog The Chinese crested dog is a hairless breed of dog. Like most hairless dog breeds, the Chinese crested comes in two varieties, with and without fur, which are born in the same litter: the Powderpuff and the Hairless.
Cave wolf The cave wolf ("Canis lupus spelaeus") is an extinct type of wolf that lived during the Ice Age. It inhabited what is now modern-day western Europe. The Don wolf ("C. l. brevis") from eastern European is regarded as a taxonomic synonym, which indicates that one subspecies once lived across Europe.