Photo of small Knightia fish

Fish

Small Knightia

Simple, clear, fishy. A fossil fish, Knightia eocaena from the Green River Formation of Kemmerer, Wyoming. These are little, rounded slabs with a single fish, showing nice detail. They lived in a series of lakes around 50-52 million years ago, but are now dead.

Fish around 5cm in length, slab ~7.5cm across.