Many theories have been presented in relation to the identity of the Lizard men, theories such as living dinosaurs, and even off shoots of evolution in which the reptilian hierarchy continued to evolve along the same path as early primates. At one point in time reptiles ruled the earth, it is not out of the realm of possibility that the species on the planet could continue to evolve in small numbers unseen by man kind. Although no reptilian species known to man have shown signs of such advanced evolution.