Original: Other species since discovered include C. grandis ("grand chambered lizard") in 1877, C. lentus in 1889, and C. lewisi (originally Cathetosaurus) in 1988.
Simplified: There are four species of Camarasaurus: C. grandis ("grand chambered lizard") C. lentus C. lewisi C. supremus ("biggest chambered lizard") It was shown in the movie When Dinosaurs Roamed America.