Sables et Grès à Trigonia gibbosa

The Sables et Grès à Trigonia gibbosa is a geological formation in northwestern France. It dates back to the Late Jurassic. It is named after Trigonia gibbosa, which can be found in abundance in the formation.

Vertebrate fauna

Ornithischians

Saurischians

See also

• List of dinosaur-bearing rock formations

References