THE APPEARANCE OF THE GENUS DESHAYESITES (KAZANSKY, 1914, AMMONOIDEA) IN THE LOWERMOST APTIAN (LOWER CRETACEOUS) OF LA BÉDOULE (SE FRANCE). RIPS [Internet]. 1999 Jul. 31 [cited 2026 Jul. 27];105(2). Available from: https://test-ojs-unimi-it.archicoop.it/index.php/RIPS/article/view/5376