Lead author Alex Clark with the fossil foot bone of Avisaurus darwini, with SUE the T. rex, a fellow Hell Creek fossil, in the background. Credit: Kate Golembiewski, Field Museum.

Some of the fossils belonged to a giant pterosaur known as Arambourgiania philadelphiae and provided a first look at its bone structure, as well as confirmation that it had a wingspan of 32.8 feet ...

Fossils indicate marine dispersal in osteoglossid fishes, a classic example of continental vicariance Journal: Proceedings of the Royal Society B Published: 2024-08-01 DOI: 10.1098/rspb.2024.1293 ...