@article{courville:insu-01133439, TITLE = {{Les Ammonites de Villers-sur-Mer : r{\'e}f{\'e}rences syst{\'e}matiques et biochronologiques}}, AUTHOR = {Courville, Philippe}, URL = {https://insu.hal.science/insu-01133439}, JOURNAL = {{Fossiles}}, SERIES = {Les falaises des Vaches-Noires. Un gisement embl{\'e}matique du Jurassique {\`a} Villers-sur-Mer, Normandie}, VOLUME = {HS n{\textdegree}4}, PAGES = {28-33}, YEAR = {2013}, HAL_ID = {insu-01133439}, HAL_VERSION = {v1}, }