Fossils reveal that sebecids, long-extinct land predators, survived far longer in the Caribbean than previously thought, rewriting ancient ecological history. Imagine a crocodile built like a greyhound — that’s a sebecid. Standing tall, with some species reaching up to 20 feet in length, they dominated the South American landscape after the extinction of the dinosaurs, [...]from SciTechDaily https://ift.tt/8QLohui
