GMYC I encourage you to try both GMYC and PTP model on your data. They are based on quite different models, but if they give you similar delimitations, you can be more confident on the results. Please check your results of the multiple threshold carefully. It may not improve the accuracy. Tomochika Result of GMYC species delimitation method: single likelihood of null model: 199.2683 maximum likelihood of GMYC model: 202.0255 likelihood ratio: 5.514433 result of LR test: 0.06346818n.s. number of ML clusters: 7 confidence interval: 5-7 number of ML entities: 26 confidence interval: 24-29 threshold time: -0.001406113 method: multiple likelihood of null model: 199.2683 maximum likelihood of GMYC model: 202.1168 likelihood ratio: 5.696963 result of LR test: 0.05793224n.s. number of ML clusters: 10 confidence interval: 3-10 number of ML entities: 21 confidence interval: 6-24 threshold time: -0.03297807 -0.008179366 -0.003152912 -0.0002821189 ############################################################################################ PTP # Max likilhood partition Species 1 (support = 0.852) Centrolene_charapita_AJC2732,Centrolene_charapita_MHNC_13933 Species 2 (support = 1.000) Centrolene_daidaleum Species 3 (support = 1.000) Centrolene_savagei_MHUA_4094 Species 4 (support = 1.000) Centrolene_aff_savagei_MAR_1152 Species 5 (support = 1.000) Centrolene_geckoideum Species 6 (support = 1.000) Centrolene_condor_Q_44896 Species 7 (support = 1.000) Centrolene_heloderma_Q_40200 Species 8 (support = 0.999) Centrolene_bacatum Species 9 (support = 0.993) Centrolene_hesperium_MHNSM_25802 Species 10 (support = 0.993) Centrolene_muelleri_PV Species 11 (support = 0.993) Centrolene_lynchi Species 12 (support = 0.994) Centrolene_hybrida_MAR_347 Species 13 (support = 0.994) Centrolene_pipilatum_KU_178154 Species 14 (support = 0.588) Centrolene_sabini,Centrolene_sabini_MUSM_28018 Species 15 (support = 0.613) Centrolene_sp_MRy_547,Centrolene_sp_MRy_548 Species 16 (support = 0.987) Centrolene_antioquiense_NRPS_014 Species 17 (support = 0.987) Centrolene_peristictum Species 18 (support = 0.511) Centrolene_sp_Yanayacu_Q_25744,Centrolene_sp_Yanayacu_Q_25746,Centrolene_sp_Yanayacu_Q_25745 Species 19 (support = 0.997) Centrolene_huilense_Q_37230 Species 20 (support = 0.997) Centrolene_muelleri Species 21 (support = 0.951) Centrolene_buckleyi_KU_178031,Centrolene_buckleyi_MZUTI_763 Species 22 (support = 0.987) Centrolene_ballux Species 23 (support = 0.466) Centrolene_aff_buckleyi_MAR_371 Species 24 (support = 0.452) Centrolene_venezuelense,Centrolene_venezuelense_EBRG_5244 Species 25 (support = 0.782) Centrolene_altitudinale,Centrolene_altitudinale_MHNLS_17194 Species 26 (support = 0.807) Centrolene_notostictum_MAR_510 # Most supported partition found by simple heuristic search Species 1 (support = 0.852) Centrolene_charapita_AJC2732,Centrolene_charapita_MHNC_13933 Species 2 (support = 1.000) Centrolene_daidaleum Species 3 (support = 1.000) Centrolene_savagei_MHUA_4094 Species 4 (support = 1.000) Centrolene_aff_savagei_MAR_1152 Species 5 (support = 1.000) Centrolene_geckoideum Species 6 (support = 1.000) Centrolene_condor_Q_44896 Species 7 (support = 1.000) Centrolene_heloderma_Q_40200 Species 8 (support = 0.999) Centrolene_bacatum Species 9 (support = 0.997) Centrolene_huilense_Q_37230 Species 10 (support = 0.997) Centrolene_muelleri Species 11 (support = 0.993) Centrolene_hesperium_MHNSM_25802 Species 12 (support = 0.994) Centrolene_hybrida_MAR_347 Species 13 (support = 0.994) Centrolene_pipilatum_KU_178154 Species 14 (support = 0.993) Centrolene_muelleri_PV Species 15 (support = 0.993) Centrolene_lynchi Species 16 (support = 0.987) Centrolene_antioquiense_NRPS_014 Species 17 (support = 0.987) Centrolene_peristictum Species 18 (support = 0.951) Centrolene_buckleyi_KU_178031,Centrolene_buckleyi_MZUTI_763 Species 19 (support = 0.987) Centrolene_ballux Species 20 (support = 0.511) Centrolene_sp_Yanayacu_Q_25744,Centrolene_sp_Yanayacu_Q_25746,Centrolene_sp_Yanayacu_Q_25745 Species 21 (support = 0.588) Centrolene_sabini,Centrolene_sabini_MUSM_28018 Species 22 (support = 0.613) Centrolene_sp_MRy_547,Centrolene_sp_MRy_548 Species 23 (support = 0.466) Centrolene_aff_buckleyi_MAR_371 Species 24 (support = 0.452) Centrolene_venezuelense,Centrolene_venezuelense_EBRG_5244 Species 25 (support = 0.782) Centrolene_altitudinale,Centrolene_altitudinale_MHNLS_17194 Species 26 (support = 0.807) Centrolene_notostictum_MAR_510 Accptance rate: 0.15359500000000001 Merge: 100040 Split: 99960 Estimated number of species is between 16 and 29 Mean: 24.79