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Definition of Pearly nautilus
1. Noun. Cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions.
Exact synonyms: Chambered Nautilus, Nautilus
Generic synonyms: Cephalopod, Cephalopod Mollusk
Group relationships: Genus Nautilus
Generic synonyms: Cephalopod, Cephalopod Mollusk
Group relationships: Genus Nautilus