摘要:SIX OCEANOGRAPHIC CRUISES (TALUD IV-IX) WERE MADE IN THE SOUTHERN GULF OF CALIFORNIA ABOARD THE R/V EL PUMA OF THE UNIVERSIDAD NACIONAL AUTÓNOMA DE MEXICO. A TOTAL OF 56 SPECIES OF DEEP-SEA MOLLUSKS WERE IDENTIFIED, OF WHICH 16 (13 BIVALVIA, 2 GASTROPODA, 1 SCAPHOPODA) REPRESENT EITHER A NEW GEOGRAPHIC OR BATHYMETRIC RECORD, OR BOTH