Definitions for nautiloid
This page provides all possible meanings and translations of the word nautiloid
like or pertaining to the nautilus; shaped like a nautilus shell
a mollusk, or shell, of the genus Nautilus or family Nautilidae
Origin: [Nautilus + -oid: cf. F. nautilode.]
Nautiloids are a large and diverse group of marine cephalopods belonging to the subclass Nautiloidea that began in the Late Cambrian and are represented today by the living Nautilus and Allonautilus. Nautiloids flourished during the early Paleozoic era, where they constituted the main predatory animals, and developed an extraordinary diversity of shell shapes and forms. Some 2,500 species of fossil nautiloids are known, but only a handful of species survive to the present day.
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