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.
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.
Fossil content
Dinosaur fossils are known from the formation, including those of Plateosaurus, Notatesseraeraptor frickensis and Schleitheimia
The following other fossils were found in the formation: Prozostrodontia Hallautherium schalchi Helvetiodon schutzi ?Thomasia sp. cf. Thomasia sp. Thomasia antiqua T. moorei Tricuspes cf. tuebingensis ?Haramiyidae indet. Morganucodon peyeri Morganucodon sp.
Reptiles
Deltadectes elvetica
Termatosaurus albertii
Proganochelys quenstedtii
Paleollanosaurus sp. ?Variodens sp. cf. Diphydontosaurus sp. cf. Eudimorphodon sp. Archosauriformes indet. Nothosauridae indet. Pterosauria indet. Sphenodontia indet. Theropoda indet.
Amphibians
Labyrinthodontia indet.
Fish
Ceratodus parvus
Sargodon tomicus
Dapedium sp. Hybodus sp. Osteichthyes indet.
Invertebrates
Crinoidea indet. Echinodermata indet. Mollusca indet.