50.2 MB (50.0 MB compressed)
3758 x 4665 pixels
31.8 x 39.6 cm ⏐ 12.5 x 15.6 in (300dpi)
HERVE CONGE, ISM / SCIENCE PHOTO LIBRARY HERVE CONGE, ISM / SCIENCE PHOTO LIBRARY
Chambered nautilus shell. Empty shell from a chambered nautilus (Nautilus pompilius). The nautilus is a marine cephalopod mollusc related to the octopus and squid. It has a spiral shell divided into many chambers, of which the animal inhabits only the outermost. The rest are filled with gas and fluid.
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