The 10 Extinct Breeds of Dogs: There are almost 40 breeds of dogs that have become extinct for various reasons. Some faced decline in popularity, some were
Ancestor of the Yorkshire Terrier
Ancestor to Yorkshire Terrier and similar to the Skye Terrier.
Paisley Terrier - This breed was created to compete in dog shows. But when demand for them declined, the breed slowly vanished.
Border terrier pup in a Barbour.