A large example of an Ichthyosaur Vertebra, likely Temnodontosaurus from Lyme Regis. This is from the middle of the animal, due to rib attachments present on the sides. From an old British collection with original label.
Location: Lyme Regis, Dorset, England
Age: Lower Jurassic, Lower Lias - 200 million years old
Measurements: 7.8cm (length) x 8.5cm (width)
Weight: 321g