While Cameroceras and its kin ruled the ancient seas, most modern cephalopods have lost their external shells, opting for speed and flexibility. The chambered nautilus, with its beautiful spiral shell ...

Discover 36 must-have summer accessories inspired by seashells and the sea—from luxe jewelry to ocean-themed bags. Shop the ...

View Still life with lobster, fruit and a nautilus shell by Ottmar Elliger the Elder on artnet. Browse upcoming and past auction lots by Ottmar Elliger the Elder.