The American paleontologist Edward Drinker Cope first described Edaphosaurus in 1882
being a key index fossil for identifying their region of the Jurassic
Lake Uinta deposition is in excess of 7000 feet in places
with fossils recognizably related to modern Ginkgo from the Permian
The middle and outer toes of the latter measure six inches
Nimiana simplex, Ediacaran Fauna Dimetrodon The American paleontologist Edward DrinkerNemiana simplex, is referred to as a vendozoan from the Precambrian Eon, Ediacaran (=Vendian) period, Podolsk Series, Nemiana River, Kamenez Podolskiy, Ukraine. Nemiana are extremely old enigmatic fossils of the Ediacaran fauna. Some believe they are jellyfish while others say sea anemone. This is a replica plate of Nemiana simplex that was found in Novodnestrovsky Quarry, Podolia, Ukraine. Nemiana is one of the simplest of all Vendia fossils, and is