US palaeontologists have unearthed fossil bones of the biggest dinosaur to ever live in North America. The study, published this week in the journal Acta Palaeontologica Polonica, provides the evidence of a giant titanosaurian sauropod from the Upper Cretaceous of North America, and describes its two enormous vertebrae and a femur found in New Mexico from 2003 to 2006. Reconstruction of Alamosaurus (Bogdanov) The authors of the study, Denver Fowler...
