SinonyxMesonyxPachyaenaSus_scrofaHippopotamusPakicetidaeAmbulocetusRodhocetusRemingtonocetusDalinestesGaviacetusCarolinacetusProtocetusGeorgiacetusBabiacetusBasilosaurusDorudonEocetus_schweinfurthiEocetus_wardiiArtiocetusQaisracetusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Geisler_etal_2005a