In a discovery that would make Mary Anning proud, 11-year-old Ruby Reynolds stumbled upon what would turn out to be the biggest marine reptile fossil ever found while casually strolling along a ...

An international team of scientists has unearthed the oldest sea-going reptile fossil ever found in the Southern Hemisphere—a nothosaur vertebra from 246 million years ago.

A landowner in Argentina discovered the fossilized remains of a prehistoric marine reptile, identified as an ichthyosaur, in the province of Neuquén.

A rare fossil discovery in Antarctica has upended scientific understanding of ancient marine reptiles. Buried beneath 68 million years of sediment, a soft-shelled egg as big as a football has ...

The fossil, identified as the flipper bone of an ichthyosaur, a marine reptile, ... the paleontologist who discovered the fossil in 1995, describes ichthyosaurs as air-breathing reptiles, ...

Mississippi State University scientists have discovered a massive bone belonging to a marine reptile that has been extinct for millions of years. The mosasaur vertebra, ... Mississippi State doctoral ...

Juvenile elasmosaur discovered 2020. CREDIT: The Courtenay and District Museum and Palaeontology Centre. This combination of unusual physical features potentially relates to its hunting style.

Researchers in Canada have raised doubts about the authenticity of the fossil used to identify and describe a new species of extinct marine reptile, Xenodens calminechari, in 2021.

Fossil preparator Tabatha Gabay works on remains of an ancient marine predator — a plesiosaur in the Perot Museum of Nature and Science fossil lab in Dallas, April 23, 2025. She was working on ...