SOFT-BOTTOM BENTHIC MACROMOLLUSKS OF THE CONTINENTAL-SHELF OFF JALISCO AND COLIMA, MEXICO

Mollusks collected from soft bottoms of the continental shelf off Jali sco and Colima were analyzed. Three cruises were made during one year (1995-1996) on board the ship BIP-V. The samples were taken during hal f-hour trawls, in seven different localities at four different depths (20, 40, 60, 80 m). A checklist is presented that contains 92 species of mollusks, belonging to 3 classes (Gastropoda, Bivalvia and Cephalop oda) and 37 families. Five new records are obtained for Nassarius guay masensis, Latirus mediamericanus, Chicoreus (Phyllonotus) peratus, Hex aplex nigritus and Polymesoda (Egeta) inflata, which are range extensi ons.