Anonymousabout 17 hours ago
Researchers from the American Museum of Natural History, Southern Methodist University, and the Perot Museum have formally described Tylosaurus rex, a 43-foot mosasaur from 80-million-year-old North Texas fossils that represents one of the largest marine predators ever documented. The classification, published May 21, 2026 in the Bulletin of the American Museum of Natural History, reclassifies more than a dozen previously misidentified specimens and raises questions about mosasaur diversity in the Western Interior Seaway.