The Quercy Phosphorites Formation (French: Phosphorites du Quercy) is a geologic formation and Lagerstätte in Occitanie, southern France. It preserves fossils dating back to the Paleogene period (latest Bartonian to Late Oligocene), or MP16 to MP28 zones of the European land mammal age classification, ranging from approximately 38 to 25 Ma. The genera Quercylurus, , Quercypsitta, , and , and species , , , , Eomys quercyi, and , as well as the lizards Paraplacosauriops quercyi and and the insect were named after the formation.