Chambered Nautilus (Nautilus pompilius) cross section of shell showing chambers.

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Size: 5200px × 3460px
Photo credit: © Malcolm Schuyl / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: animal, cephalopod, chamber, chambered, fossil, living, marine, mollusc, natural, nautilus, pattern, pompilius, sea, shell, spiral, spiral., structure