Tag Archives: lepidosaur

A groundbreaking discovery has stunned paleontologists: a complete fossil of Agriodontosaurus helsbypetrae, an ancient lepidosaur species from the Triassic period. Unearthed in the Helsby Sandstone Formation in Devon, UK, this 242-million-year-old fossil challenges previously held beliefs about the early ancestors of modern reptiles. Published in Nature on September 10, 2025, this fossil forces a reevaluation of what we know about …

Uetz, P. et al. The Reptile Database (accessed 29 January 2024); http://www.reptile-database.org. Evans, S. E. & Borsuk-Białynicka, M. A small lepidosauromorph reptile from the Early Triassic of Poland. Palaeontol. Pol. 65, 179–202 (2009). Google Scholar  Jones, M. E. H. et al. Integration of molecules and new fossils supports a Triassic origin for Lepidosauria (lizards, snakes, and tuatara). BMC Evol. Biol. …