80-million-year-old snake skull discovery in Brazil proves that ancient snakes conquered the three worlds at once |
The skull and brain case of a newfound ancient snake species were still intact. Image Credit: Agustin Martinelli/ScienceNews Snakes represent one of the most successful groups of vertebrates on Earth, with over 4,200 living species accounting for one-third of all scaled reptiles. Despite a long history going back to at least the Middle Jurassic, the…