Eocene Green River Phareodus VF-GR-21-001Phareodus testis Green River Formation Middle Eocene Lincoln County, Wyoming Here is a very good example of a split juvenile Phareodus. This specimen is exactly as found in the field. Layers of the ancient Green River Formation lacustrine deposits are split with hammer and chisel to reveal the fossilized fish skeletons enclosed. This juvenile example displays typical preservation of the skeleton, scales, and teeth. The fish measures 12 cm. The slab is