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The oldest known member of the extinct Haidomyrmecinae subfamily of ants, which existed exclusively during the Cretaceous period, has been identified by paleontologists. It was found preserved as a rock imprint in the limestone of the Crato Formation in northeastern Brazil. Vulcanidris cratensis , holotype. Scale bar – 2 mm. Image credit: Lepeco et al ., doi: 10.1016/j.cub.2025.03.023. The new ant species, Vulcanidris cratensis, lived in the Early Cretaceous epoch 113 million years ago. The species is the most complete evidence for the early evolution...

Scientists Are Being Left Behind as Rich Collectors Seize T. Rex Fossils

April 22, 2025

According to studies, almost half of the world's scientifically valuable T. rexes are owned by private or commercial entities and are not available to scientists. By Isaac Schultz Despite being the most well-known dinosaur to have ever lived, the Tyrannosaurus Rex is currently at the center of a very contemporary issue: the luxury fossil trade. A paper that was published in Palaeontologia Electronica claims that the scientific record has been seriously hampered by commercial fossil gathering, which has kept so many T. re...

After dinosaurs, this enormous crocodile-like creature ruled the Caribbean.

May 03, 2025

Long after dinosaurs were extinct, the Caribbean was once home to a huge crocodile that resembled a greyhound. By Melissa Ait Lounis The remnants of a sebecid, a large crocodile that resembled a greyhound and lived long after non-avian dinosaurs were extinct, have been identified by paleontologists. A Revolutionary Finding In addition to its enormous size—it could grow up to 20 feet—the sebecid, an apex predator, was crucial in changing our understanding of prehistoric Caribbean ecosystems. When ancient teeth thought to be those of...

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