Retroflexus Lee Creek 1.22"

Isurus retroflexus tooth from Aurora, North Carolina. The tip of the root is missing.

Isurus retroflexus lived during the Eocene epoch (56–33.9 million years ago) and was a fast-swimming predator. Its fossils are found in Europe, North America, and Africa, indicating a widespread range.

Growing up to 10–12 feet (3–3.6 meters), it had distinctively curved teeth, ideal for gripping prey like fish.