Three restorations (top, left side, and bottom) of the skull of Andrewsiphius. From the Journal of Paleontology paper.

During the past 30 years the evolution of fully aquatic whales from terrestrial ancestors has gone from one of the most enigmatic evolutionary transitions to one of the best documented. Evidence from the fossil record, genetics, and embryology have been combined to document how early whales walked into the sea, but what often has gone unnoticed is the diversity of early whales. In a new paper published in the latest issue of The Journal of Paleontology, cetacean experts J.G.M. Thewissen and Sunil Bajpai describe new fossils from two very strange creatures that represent a unique part of