Name:   Knightia eocaena Age:  Eocene Formation:  Green River Formation Location:  Kemmerer, Wyoming Size:  Fish is 4.55 inches long This specimen is not for sale Click here for similar specimens that are for sale Here is a fabulous fossil herring from the Eocene of Wyoming. This is Knightia eocaena from the Green River Formation. This distinct fossil fish is complete and exhibits very fine detail. The bone structure and fins are nicely displayed, the eye socket of the fish is easily seen, and the overall shape is quite nice. The fossil has great color and contrasts beautifully with the light-colored matrix. The fish is nicely centered on the rectangular plate of shale. This is a very detailed example of a complete fossil herring from the Eocene.