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Klettgau Formation
Geological formation in Switzerland From Wikipedia, the free encyclopedia
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The Klettgau Formation is a geological formation in Switzerland. It is Late Triassic in age, covering most of the mid to late Norian, the Carnian, and into the Rhaetian, spanning a period of 26-30 million years.[1]
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Description
The primary depositional environment was that of a playa with marine and fluvial intercalations. The lithology is quite variable consisting primarily of fine grained rocks typically claystones and dolocretes, often with sandstone or carbonatic fluvial channel fills.[2]
Fossil content
Dinosaur fossils are known from the formation, including those of Plateosaurus, Notatesseraeraptor frickensis and Schleitheimia[3][4]
The following other fossils were found in the formation:[1]
- Prozostrodontia
- Hallautherium schalchi[5]
- Helvetiodon schutzi[5]
- ?Thomasia sp.[6]
- cf. Thomasia sp.[6]
- Thomasia antiqua[6]
- T. moorei[6]
- Tricuspes cf. tuebingensis[6]
- ?Haramiyidae indet.[6]
- Morganucodon peyeri
- Morganucodon sp.
- Reptiles
- Deltadectes elvetica[7]
- Termatosaurus albertii[6]
- Proganochelys quenstedtii[8]
- Paleollanosaurus sp.[7]
- ?Variodens sp.[6]
- cf. Diphydontosaurus sp.[7]
- cf. Eudimorphodon sp.[6]
- Archosauriformes indet.[9]
- Nothosauridae indet.[6]
- Pterosauria indet.[6]
- Sphenodontia indet.[7]
- Theropoda indet.[10]
- Amphibians
- Fish
- Invertebrates
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References
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