Chinle Formation
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The Chinle Formation is an Upper Triassic continental geological formation of fluvial, lacustrine, and palustrine to eolian deposits spread across the U.S. states of Nevada, Utah, northern Arizona, we
Chinle Badlands, Grand Staircase–Escalante National Monument, Utah, US.
Fossil wood from Chinle Formation exposures at Petrified Forest National Park
Petrified Forest National Park araucarioxylon fossil wood weathered from the Chinle Formation
The Whitaker ("Coelophysis") Quarry at Ghost Ranch, preserving the "siltstone member" of the Chinle Formation
Land vertebrate faunachrons are biochronological units used to correlate and date terrestrial sediments and fossils based on their tetrapod faunas. First formulated on a global scale by Spencer G. Luc
Chinle Formation
…biostratigraphy for the Chinle was first developed based on phytosaurs and aetosaurs, which in 1998 were combined into global biozones in Spencer G. Lucas's Land Vertebrate Faunachrons system. Simplified stratigraphy based on Litwin. Note that age inferences devised by Lucas do not necessarily align with other chronological methods…
Mastodonsaurus, a purported index fossil of the Berdyankian LVF
Mastodonsaurus DB
Eocyclotosaurus wellesi 1DB
Cynognathus NT small