Authors: OLORIZ F VILLASENOR B GONZALEZARREOLA C

Citation: F. Oloriz et al., REEVALUATION OF PROCRASPEDITES SPATH, 1930 (AMMONITINA) FROM THE UPPER KIMMERIDGIAN OF MEXICO, Bulletin de la Societe geologique de France, 169(2), 1998, pp. 243-254