40–45 Million-Year-Old Mammal Fossil Found in Oceanside
During construction in Oceanside, California, workers uncovered fossilized bones dating back 40 to 45 million years from the Eocene Epoch. Paleontologist Joseph El Adli confirmed the discovery, leading to a careful excavation. Scientists are investigating whether the fossils belong to brontotheres or amynodonts, two ancient mammal groups.
TOI Science··Oceanside



