Rare 0.74" Fossil Trigonotodus tusbairicus - Extinct Thresher Shark Tooth from Kazakhstan

Species - Trigonotodus tusbairicus - Extinct Thresher Shark

Size - 0.74" wide

Location - Kazakhstan

Age - Middle Eocene (Bartonian) - Appx 40-43 million years old

Remarks - VERY rarely offered 0.74" wide fossilized Trigonotodus tusbairicus - Extinct Thresher Shark tooth from the Middle Eocene (Bartonian) of Kazakhstan. This very rare species is the very first branch in the evolution of the Giant Threshers and evolved from Alopias hermani/latidens. Something you almost never see for sale. 100% authentic, with no repair or restoration.

Key Features:

• Genuine 0.74” wide Fossil Trigonotodus tusbairicus - Extinct Thresher Shark Tooth

• Origin: Kazakhstan

• Age: Middle Eocene (Bartonian) – Approx. 40-43 Million Years Old

• No repair or restoration—completely natural

This rare and well-preserved fossil offers a fascinating glimpse into the marine ecosystems of the Eocene period. With its historical significance and exceptional preservation, it’s a coveted specimen for collectors of ancient marine fossils.