From Problem Taxa to Problem Solver: A New Miocene Family, Tranatocetidae, Brings Perspective on Baleen Whale Evolution.
Miocene baleen whales were highly diverse and included tens of genera.However, their taxonomy and phylogeny, as well as relationships with living whales, are still a subject of controversy.Here, "Mesocetus" argillarius, a poorly known specimen from Denmark, is redescribed with a focus on the cranial anatomy.It was found to represent not only a c7 c