Alpine Mastiff
Braque du Puy
English White Terrier
Hare Indian Dog
doug the dog from up. and YOUUUUUUUUUUUUUUUUUUUUUUUUUUUUU
Because new breeds of hunting dogs were created. The Hare Indian Dog then became somewhat useless.
It's Me or the Dog - 2008 Bully Breeds 4-19 was released on: USA: 12 June 2010
it is believed to have 355 breeds of dog including mix breeds.
It took 7 different types of dog in order to make one pit bull. Nearly all of the breeds that were used to create the pit bull are unknown. Most of the breeds used are now extinct.
According to Wikipedia, 33 dogs have become extinct.
It's unlikely that you can breed two dog breeds other than a chihuahua to create one. The dogs that made the chihuahua could be ancient or extinct. Chihuahuas could have also not come from crosses at all, just selective breeding.
There are around 40 breeds of Chipmunk, they are definitely not extinct I have one myself.
Some breeds are threatened
Bull terriers are a few breeds. Mainly a cross between the, now extinct, English white terrier and a bull dog.
there are 5-7 Australian dog breeds
The Dog Artlist Collection covers around 70 breeds of dog.