From Problem Taxa to Problem Solver: A New Miocene Family, Tranatocetidae, Brings Perspective on Baleen Whale Evolution Gol'din, Pavel ; Steeman, Mette Elstrup Abstract Publication: PLoS ONE Pub Date: September 2015 DOI: 10.1371/journal.pone.0135500 Bibcode: 2015PLoSO..1035500G