Clyde F.E. Roper
Contributor
Curator of Mollusca, Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, D.C. Coauthor of Cephalopods of the World.
Primary Contributions (1)
Cephalopod, any member of the class Cephalopoda of the phylum Mollusca, a small group of highly advanced and organized, exclusively marine animals. The octopus, squid, cuttlefish, and chambered nautilus are familiar representatives. The extinct forms outnumber the living, the class having attained…
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