20690 - Extremely Rare 1.91 Inch Pappocetus lugardi (Whale Ancestor) Incisor Rooted Tooth Fish Scales • Devonian of China

• Devonian of China

Nice specimen

It is a tooth of the upper jaw of a cow shark

This enormous Prognathodon teeth are preserved in exceptional way

Trilobita - Lichida - Lichidae

20690 - Extremely Rare 1.91 Inch Pappocetus lugardi (Whale Ancestor) Incisor Rooted Tooth Fish Scales • Devonian of ChinaPappocetus 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