Nautilus

This cephalopod looks like an octopus but has a large beautiful shell like a snail. They are thought to have remained almost unchanged for 400 million years and represent the last survivors of a gr…

The nautilus dominated the ancient seas before the rise of fishes, and appeared about 265 million years before the first dinosaurs.

Fig. 1a. The nautilus.

Engraving of a nautilus and an ammonite. The nautilus is one of the species of marine cephalopods of the family Nautilidae.

Heaveninawildflower — amnhnyc: The chambered nautilus is a common...

Download and share clipart about Spiral Shell Blue - Nautilus Shell Xray, Find more high quality free transparent png clipart images on ClipartMax!

The chambered nautilus is one of six species of nautilus, the only cephalopods (squids, octopuses and relatives) that have external shells.…

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This photo comes from Microsoft co-founder Paul Allen. It show a school (?) of nautiluses devouring some chicken. Allen owns a large yacht called the Octopus, which has a couple…