Primitive Marine Mollusc With Spiral Shell

This page is the CodyCross answer for the clue below from Paris, Group 254, Puzzle 5 (La Defense Market).

Question is: Primitive Marine Mollusc With Spiral Shell

and the answer is: NAUTILUS

Word Meaning:

NAUTILUS — A marine mollusc, of the family Nautilidae native to the Pacific Ocean and Indian Ocean, which has tentacles and a spiral shell with a series of air-filled chambers, of which Nautilus is the type genus.

Definitions from Wiktionary.

Primitive Marine Mollusc With Spiral Shell - Paris CodyCross Answers | CodyCross Solutions