nautiloid

(nôt'l o̵id′)

noun

any of a subclass (Nautiloidea) of cephalopods with chambered, coiled, or straight external shells: the nautiluses are the only remaining representatives

Origin: < ModL Nautiloidea: see nautilus & -oid

See nautiloid in American Heritage Dictionary 4

noun
A mollusk of the subclass Nautiloidea, which includes the nautiluses and numerous extinct species known only from fossils.

Origin:

Origin: From New Latin Nautiloīdea, subclass name

Origin: : Latin nautilus, nautilus; see Nautilus 

Origin: + Greek -oeidēs, -oid

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Related Forms:

  • nauˈti·loid adjective

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