Camarasaurus lentus

Camarasaurus lentus
CM 11338, a juvenile Camarasaurus lentus, on display at the Carnegie Museum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	Saurischia
Clade:	†Sauropodomorpha
Clade:	†Sauropoda
Clade:	†Macronaria
Family:	†Camarasauridae
Genus:	†Camarasaurus
Species:	†C. lentus
Binomial name
†Camarasaurus lentus (Marsh, 1889)
Synonyms
Morosaurus lentus Marsh, 1889 Uintasaurus douglassi Holland, 1919 Camarasaurus douglassi (Holland, 1919) Olshevsky, 1978 Camarasaurus annae Ellinger, 1950

Camarasaurus lentus is an extinct species of sauropod dinosaur that lived during the Jurassic period in what is now the western United States. It is one of the four valid species of the well-known genus Camarasaurus. C. lentus fossils have been found in Wyoming, Colorado, and Utah. It is the species of Camarasaurus found in Dinosaur National Monument and the middle layers of the Morrison Formation. Camarasaurus lentus is among the best-known sauropod species, with many specimens known. A juvenile specimen of C. lentus, CM 11338, is the most complete sauropod fossil ever discovered.