Zygorhiza, Eocene Whale Skull Quetzalcoatlus and a pair of horns

and a pair of horns approximately 1 meter (3

Petrified trees are sometimes found in streams

USA Formation: Brule Age: Oligocene

each of which grew out of a separate spinal vertebra (a bone in the back

Zygorhiza, Eocene Whale Skull Quetzalcoatlus and a pair of hornsZygorhiza ("Yoke Root") is an extinct genus of basilosaurid early whale known from the Late Eocene, 3834 MYA of Louisiana, Alabama, and Mississippi, United States. Zygorhiza kochii is the state fossil of Mississippi. The mounted specimen in the Mississippi Museum of Natural Science in Jackson is commonly referred to as "Ziggy". Like other dorundontines, Zygorhiza had a body similar to modern cetaceans with flipper like forelimbs, rudimentary hind