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Which dog was the earliest to exist on Earth?

Introduction: The Early Canine History

Dogs have been our loyal companions for thousands of years. They are one of the oldest domesticated animals on the planet and have played a crucial role in human history. The history of dogs dates back to the prehistoric era when early canines roamed the earth alongside their wild counterparts. Over time, dogs have evolved to become one of the most diverse species of animals, with more than 300 distinct breeds.

The Origin of Dogs: A Long-Standing Debate

The origin of dogs has been a topic of debate among scientists for decades. Some experts believe that dogs evolved from wolves, while others argue that they were domesticated from a now-extinct species of wild canines. Recent studies suggest that dogs may have originated from a single population of wolves that were tamed by humans over 20,000 years ago. Whatever their origins, dogs have been a part of human society for millennia.

The Earliest Known Canine Fossils

The earliest known canine fossils date back nearly 40 million years. These fossils belong to a now-extinct species of dog-like animals known as Miacids. These small, carnivorous mammals were the ancestors of modern-day canines and belonged to a group of animals known as Carnivorans. Over time, Miacids evolved into a variety of different species, including wolves, foxes, and bears. The first true dog, known as the Tomarctus, appeared about 15 million years ago and was similar in size to a modern-day coyote.

Mary Allen

Written by Mary Allen

Hello, I'm Mary! I've cared for many pet species including dogs, cats, guinea pigs, fish, and bearded dragons. I also have ten pets of my own currently. I've written many topics in this space including how-tos, informational articles, care guides, breed guides, and more.

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