| Period: | Norian |
| Underlies: | Exter Formation |
| Thickness: | 150 m (in Thuringia) |
| Prilithology: | Sandstone, Clay |
| Extent: | Germany |
| Type: | Formation |
| Unitof: | Keuper |
The Arnstadt Formation is a geological formation Germany. It is Late Triassic (Norian) in age, and forms part of the Keuper system. It was deposited in a variety of environments, including alluvial plains and playa.[1]
| Reptiles of the Arntadt Formation | |||
|---|---|---|---|
| Genus | Note | Images | |
| Plateosaurus | A sauropodomorph dinosaur | ||
| Parvosaurus | A rhynchocephalian reptile | ||
| Proganochelys | A testudinatan (stem-turtle) | ||
| Elachistosuchus | A reptile of uncertain position | ||
| Nicrosaurus | A phytosaur | ||