|Named By:||R. C. Wood in 1970|
|Time Period:||Late Miocene-Early Pliocene (Huayquerian-Montehermosan)~9.0-5 Ma|
|Location:||Venezeula - Urumaco Formation and Brazil - Solimoes Formation|
|Size:||Preserved length of carapace of largest individual 1.8 meters long. Estiamted length of shell up to 3.3 meters long|
|Fossil(s):||Remains of two species, including the carapace|
|Classification:||| Chordata | Reptilia | Anapsida | Testudines | Pleurodira | Pelomedusoidea | Podocnemididae ||
Stupendemys is a prehistoric genus of freshwater turtle. Its fossils have been found in northern South America, in rocks dating from the late Miocene to the very start of the Pliocene, about 6 to 5 million years ago.