La Grive M is a fissure fill site in France known for the fossils of snakes and other organisms found there. The location is described as "near Saint-Alban-de-Roche, about 20 km SE of Lyon."
Estes R., Hoffstetter R. (1976) Les urodèles du Miocène de La Grive-Saint-Alban (Isère, France) [The urodeles from the Miocene of La Grive-Saint-Alban (Isère, France)], Bulletin du Muséum National d’Histoire Naturelle, Sciences de la Terre 57, 297-343 Ivanov M. (2002) Fossil snake assemblages from the French Middle Miocene localities at La Grive (France), The 7th European Workshop of Vertebrate Paleontology. Sibiu, Romania, 2–7 July 2002, Abstracts Volume and Excursions Field Guide, 21-22 The deposits range in age from the late Early to the late Middle Miocene.
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