Shells

(DK/Smithsonian Handbooks series). Packed with detailed information on the shape of each genus, differences between the major classes, and more, this comprehensive and concise pocket guide contains more than 600 full-color photographs of over 500 species of seashells. Each species entry combines a precise description with annotated photographs to highlight each shell's characteristics and distinguishing features. A distribution map, showing the geographical range of the species, as well as color-coded bands, provide at-a-glance key facts. Glossary; Index. 256p.