The Biggest Frog that Ever Lived

Untangling the origins of Beelzebufo -- the giant frog that lived alongside the dinosaurs -- turns out to be one of the most bedeviling problems in the history of amphibians.  Thank you to these paleoartists for allowing us to use their wonderful illustrations: Ceri Thomas: Nobu Tamura: Julio Lacerda: This video features this paleogeographic map: Scotese, C.R., 2019. Plate Tectonics, Paleogeography, and Ice