Before we get to Sanderson, the mokele-mbembe was first described in 1913, when Captain Freiherr von Stein zu Lausnitz went to explore the Cameroon when he was sent to do so by the German government. While there he was told of an animal called mokele-mbembe.
He described the creature:
"The animal is said to be of a brownish gray color with a smooth skin, its size approximately that of an elephant; at least that of a hippopotamus. It is said to have a long and very flexible neck and only one tooth, but a very long one; some say it is a horn. A few spoke about a long …