Eosiren_libycaEosiren_imentiHalitherium_schinziiHalitherium_christoliiCrenatosiren_olseniDugong_dugonBharatisiren_kachchhensisDioplotherium_manigaultiDioplotherium_allisoniXenosiren_yucatecaCorystosiren_vargueziRytiodus_capgrandiRytiodus_sp_LibyaOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Bajpai_et_Domning_1997a