TIL > Increasing predation pressure by pinnipeds through the late Cenozoic drove Nautilus into its present-day refuge in the deep tropical Indo-West Pacific Ocean

Neato!

Also “Cenozoic” is rather… broad… so for anyone who is curious like me, nautilus…es? Nautili? Whichever, they slowly retreated to their current habitat starting around the Oligocene to the end of the Miocene (source.