(((C._elegans:0.528629,((C._briggsae:0.462053,C._remanei:0.408390):0.047416,(C._sp._11:0.431868,C._brenneri:0.398465):0.080743):0.088346):0.203157,C._japonica:0.510030):0.271286,C._angaria:0.271286);