Meet the crusty nautilus (Allonautilus scrobiculatus), one of the rarest marine animals in the world. These pics are the first ones taken of this ‘living fossil’ in 31 years. A crusty nautilus (Allonautilus scrobiculatus) off the coast of Ndrova Island, Papua New Guinea. Image credit: Peter Ward / University of Washington. Nautiluses are shelled cephalopods and distant cousins of squid and cuttlefish. They first appeared 500 million years ago...
