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chambered nautilus |
Also found in: Encyclopedia, Wikipedia, Hutchinson | 0.02 sec. |
chambered nautilus n
(Life Sciences & Allied Applications / Animals) another name for the pearly nautilus ThesaurusLegend: Synonyms Related Words Antonyms
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| The deepest layer contains traces of seafloor burrows and large numbers of phosphate nodules that include the fossils of ammonites, the extinct relatives of today's chambered nautilus. The Expo 2000 Pavilion was designed as three overlapping chambers, shaped like a chambered nautilus seashell--one of the most fascinating geometric shapes in nature. Relatives of the chambered nautilus, ammonites filled the seas during the Mesozoic era, the age of the dinosaurs. |
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