|Named By:||Edward Drinker Cope in 1877|
|Time Period:||Late Cretaceous-Eocene|
|Location:||Canada and the USA. Some fossil remains also reported from France|
|Size:||Depending upon the species, anywhere between 1.5 and 3.5 meters long|
|Fossil(s):||Many individuals, some almost complete|
|Classification:||| Chordata | Reptilia | Choristodera | Champsosauridae ||
|Also known as:||| Champsosaurus annectens | Champsosaurus australis | Champsosaurus brevicollis | Champsosaurus inelegans | Champsosaurus inflatus | Champsosaurus profundus | Champsosaurus puercensis ||
Champsosaurus is an extinct genus of diapsid reptile belonging to the order Choristodera.