Paul Callomon is collection manager for mollusks and general invertebrates at the Academy of Natural Sciences of Drexel University. He is the coauthor of the two-volume Catalogue and Bibliography of the Marine Shell-Bearing Mollusca of Japan. Gary Rosenberg is curator of mollusks at the Academy of Natural Sciences and a professor at Drexel. He is the author of The Encyclopedia of Seashells.
Paul Callomon is collection manager for mollusks and general invertebrates at the Academy of Natural Sciences of Drexel University. He is the coauthor of the two-volume Catalogue and Bibliography of the Marine Shell-Bearing Mollusca of Japan. Gary Rosenberg is curator of mollusks at the Academy o...