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Gigantic Marine Reptile Fossil Found by 11-Year-Old Girl and Father

A massive jawbone found by a father-daughter fossil-collecting duo on a beach in Somerset along the English coast belonged to a newfound species that’s likely the largest known marine reptile to swim in Earth’s oceans.

Scientists consider the blue whale, which grows up to 110 feet (33.5 meters) long, to be the largest known animal ever to exist on the planet. But it’s possible that the 202 million-year-old reptile, known as an ichthyosaur or “fish lizard,” may have rivaled it in size.

The ichthyosaur’s jawbone, or surangular, was a long, curved bone at the top of the lower jaw just behind the teeth, and it measured more than 6.5 feet (2 meters) long. Researchers believe the creature, named Ichthyotitan severnensis, or “giant fish lizard of the Severn” in Latin, was more than 82 feet (25 meters) long, or the length of two city buses.

Justin and Ruby Reynolds, who live in Braunton, England, recovered the first pieces of the jawbone in May 2020 as they looked for fossils on the beach at Blue Anchor, Somerset. Ruby, 11 at the time, spotted the first chunk of bone, and then she and her dad found additional pieces together.

By Ashley Strickland.