Sea Shells of Tropical West America: Marine Mollusks from Baja California to Peru
For this edition, the coverage has been extended geographically to northwestern Peru, and systematically to microscopic and deepwater species and to the shell-less mollusks. The text and the supplementary materials have been planned to be of maximum use to interested laymen as well as to specialists.
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aperture apex axial ribs Bahia Baja California band Bartsch beaks body whorl Broderip C. B. Adams callus canal Cape San Lucas Carpenter columella Conch Costa Rica dark brown diameter dorsal Ecuador elongate Family figure Galapagos Islands Genus gray grooves Guaymas Gulf of California Gulf of Panama height Hertlein & Strong hinge holotype inner lip intertidally Isla Keen LACM Lamarck Length ligament Magdalena Bay margin Mazatlan McLean Mexico Morch narrow Nicaragua nodes offshore in depths operculum outer lip pallial sinus Panama Bay Panamic genera Panamic province periostracum periphery Peru Pilsbry & Lowe Pilsbry & Olsson posterior end Puerto Punta radial ribs radula Reeve resembles riblets ridges rounded Santa Elena shoulder slender smooth Sonora southern Sowerby spines spiral cords spiral ribs spiral sculpture spire striae Subfamily subgenera Subgenus subsutural Superfamily surface suture Synonym syntypes thin type locality type species type specimen umbones USNM varices white shell width