Article: Cephalopods

Cephalopods

What group of marine invertebrates was celebrated by a Chief Justice of the Supreme Court of the United States? (Answer: cephalopods.) Oliver Wendell Holmes (1809 1894) wrote the poem "The Chambered Nautilus" in 1858 to describe the shell of the cephalopod Nautilus.

Nautilus belongs to the cephalopods, a category of mollusks to which the octopus, squid, and cuttlefish octopus also belong. The phylum Mollusca also includes the gastropods (snails and slugs) and bivalves (such as clams and oysters) among others, and is considered one of the most intelligent and successful invertebrate groups in the oceans.

Major Characteristics

All cephalopods live in the marine ...

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