2.3" Basilosaurus Jaw Section Tooth 40-34 Mil Yrs Old Eocene COA
Location: Dakhla, Western Sahara, South Morocco
Weight: 3.3 Ounces
Dimensions: 4.2 Inches Long, 2.6 Inches Wide, 0.9 Inches Thick (Jaw)
Tooth Dimensions: 2.3 Inches Long, 0.8 Inches Wide, 0.4 Inches Thick
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Name: Basilosaurus (King Lizard).
Diet: Piscivore/Carnivore.
Size: Estimated between 50 Feet to 70 feet
Known locations: North Africa
Time period: Late Eocene Period, 40 to 34 Million Years Ago
Basilosaurus is an archaeocete, an ancient whale that lived approximately 40 to 34 million years ago during the Late Eocene Period. It was first discovered in the 19th century in the United States and was originally thought to be a type of prehistoric reptile. This early misidentification is why it was given the name Basilosaurus in 1834, meaning “king lizard.”
Looking at reconstructions of Basilosaurus, it’s clear that this archaeocete was an enormous animal. It reached lengths of around 70 feet and weighed approximately 15 tons—making it longer than a modern semi-trailer and as heavy as a large cruise ship’s anchor. Its long, serpentine body and powerful tail suggest it was a strong and efficient swimmer, well adapted to life in open oceans.
Basilosaurus was a carnivore, as evidenced by its teeth and jaws. Studies of its skull and dentition reveal that it possessed an enormous bite force, estimated at roughly 2,300 pounds of pressure. This incredible strength allowed it to hunt and kill its prey with ease.
Paleontologists believe Basilosaurus fed on large fish, smaller whales, and likely any other marine creatures it could overpower. As one of the top predators of its time, it represents a crucial stage in whale evolution—bridging the gap between early land-dwelling ancestors and the fully aquatic whales that dominate today’s oceans.
