21016 - Top Huge 5.92 Inch Pappocetus lugardi (Whale Ancestor) Incisor Rooted Tooth Calamopleurus Sertich and O'Connor 2014 and

Sertich and O'Connor 2014 and Zaher et al

Cephalopods and Goniatites

Treveropyge

at least 16 maxillary and 12 pterygoid teeth

• Silurian of Canada ( Northwest Territories)

21016 - Top Huge 5.92 Inch Pappocetus lugardi (Whale Ancestor) Incisor Rooted Tooth Calamopleurus Sertich and O'Connor 2014 andPappocetus 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