A nautilus in the Himeji Aquarium, Japan
A nautilus shell when viewed from above
The same shell viewed from underneath
A Nautilus macromphalus shell "special lighting to reduce shadows"
Nautilus shell cut in two
One half of a Nautilus shell with a Golden Spiral superimposed on it
A Nautilus macromphalus, linnaeus shell outside
Nautilus at Siam Ocean World aquarium, Bangkok, Thailand
Joris van Son: Still life with fruits and a nautilus shell, c. 1660-1665
Nautilus pompilius in an aquarium tank.
Comparison between shells of different nautilus species
A Nautilus in the Berlin Zoo Aquarium