The term 'Stegosaurus Remnant' refers to a fossilized remnant of the dinosaur Stegosaurus. A FOSSIL is the remains or traces of a once-living organism that has been preserved in the earth's crust. Stegosaurus was a large, herbivorous dinosaur that lived during the Late Jurassic period, approximately 150 million years ago. The fossilized remains of this dinosaur are often found in sedimentary rocks and can provide valuable information about the evolution of life on Earth.