Centaurs, Man Half Horse in the Ancient Greek Mythology

In Greek mythology, Centaurs (Kéntauroi) is a half-horse race, he is usually portrayed human form from head to waist, but the waist down intangible horse. Photo below, is not a result of Archaeological discoveries, Centaur skeleton in this photo, is Projects Are artificial result of 'Skulls Unlimited International' of the human skeleton frame of the original features combined with Zebra. 

Centaurs itself is just an imaginary creature that first appeared in Greek mythology.

   

Skulls Unlimited International, Inc.., Located in Oklahoma City, Oklahoma, is a commercial supplier of osteological specimens including real and replica skulls and skeletons. Skulls Unlimited also provides a skull cleaning service, using Dermestid Beetles to strip the flesh from skulls and skeletons. Skulls Unlimited skull specimens processes approximately 25.000 per year.

They are descendants of Centaurus, the first centaur. Centaurus is Ixion's father was a man, ruler of Thessaly, who loved [affair] Goddess Hera, wife of Zeus. A jealous Zeus, Hera and then create a twin of the clouds and named Nephele. Once they met, Ixion who consider woman with him was [Nephele] was the goddess Hera and then having intercourse with her. Nephele then pregnant, and gave birth to half-man half-horse creature which he later named Centaurus. 

The most famous of the centaur Chiron is a friend of Heracles or Hercules [Chiron this figure, appeared in the film Percy Jackson and the Olymipans]. He is one of the gentle and wise centaur, who was killed by Zeus placed star in the sky as the constellation Centaurus. Later adapted into Sagittarius zodiac.