21003 - Extremely Rare 7.20 Inch Partial Pappocetus lugardi (Whale Ancestor) Jaw Bone Dinosaur Bones and Claws Richter and Richter 1917 (trilobite)

Richter and Richter 1917 (trilobite)

Specimens tend to lighten in color over time due to weathering of the specimen surface into malachite

14 on maxillary

we have much of the proximal area of the vertebral column of this huge crocodile

Donald (1986): Halisaurus and Prognathodon

21003 - Extremely Rare 7.20 Inch Partial Pappocetus lugardi (Whale Ancestor) Jaw Bone Dinosaur Bones and Claws Richter and Richter 1917 (trilobite)Pappocetus is a protocetid and a large amphibious aquatic carnivore. Pappocetus is also an ancestor of Basilosaurus. Rare specimen from an early evolutionary stage of the modern whale. In the phosphate basins of the Moroccan Western Sahara, the fossil record of these enormous vertebrates is very well represented, of this type of cetaceans that speak of an evolutionary transition from land to sea. The protocetids had large fore limbs and hindlimbs that