It was named by J. E. Storer in 1975. Columbosauripus lived during the late Cretaceous period , roughly 99-93 million years ago. A comet is a celestial body that orbits around the sun. Its tail of gas and dust always points away from the sun . The two animals are called commensals.
Commensalism is a type of symbiosis .
It was not a dinosaur, but a very closely related reptile. The type species is Comodactylus ostromi . Comodactylus was named by paleontologist Galton in 1981. Compsognathus was a theropod dinosaur the size of a chicken. This meat-eater dates from the Jurassic period .