20125 - Outstanding Huge Basilosaurus (Whale Ancestor) Molar Rooted Tooth IN CATAWIKI AUCTION NOW Olenellus chiefensis Subtaxa: Calamites (Mesocalamites)

Subtaxa: Calamites (Mesocalamites)

The two minerals are very similar in appearance and the term calamine has been used for both

14'' Crotalocephalina Lower Devonian Trilobite

The piece is completely authentic

Walker to mark is contributions as a vertebrate paleontologist at the natural history museum of London (BMNH) and is generosity to uninitiated student and to the famous alike

20125 - Outstanding Huge Basilosaurus (Whale Ancestor) Molar Rooted Tooth IN CATAWIKI AUCTION NOW Olenellus chiefensis Subtaxa: Calamites (Mesocalamites)Scientific name: Basilosaurus sp Probably Pappocetus lugardi, Andrews 1920 (whale ancestor) Location: Dakhla, Western Sahara, South Morocco Geological Formation: Boujdour Basin, Middle Late Eocene Phosphate Outcrops Age: Middle Late Eocene, Bartonian stage (~40 Million Years) Size (long): 8,5cm REF.: 20125 DESCRIPTION: Pappocetus is a protocetid and a large amphibious aquatic carnivore. Pappocetus is also an ancestor of Basilosaurus. Rare specimen