Fossil Fish (Knightia sp.) - Green River Formation Although many people believe overhunting

Although many people believe overhunting by humans contributed to the extinction of mammoths

3 ozSpecies: Spinosaurus sp

55 ozSpecies: Mammuthus sp

Grallator is considered an ichnogenus

Chemical Formula: R3R2(SiO4)3  (R = Various elements that contribute to the species of garnet

Fossil Fish (Knightia sp.) - Green River Formation Although many people believe overhuntingKnightia sp. is an extinct genus of freshwater bony fish that thrived in both North America and Asia during the Eocene Epoch (56 to 33. 9 million years ago). This Epoch took place during the Paleogene Period. This genus was first described in 1907 and is closely related to herrings and sardines. This is the state fossil of Wyoming and is considered the most commonly excavated fossil in the world. This fist had thick scales with conical teeth. Some of