Figure 1

Hypotheses on ordinal relationships of Otocephala through years. (A) Fink and Fink10,12 (Mor), Dimmick and Larson (Com)11, Alves-Gomes19 and Betancur-R59; (B) Ortà and Meyer14; (C) Saitoh et al.15, Peng et al.17 and Near et al.21; (D) Lavoue et al.16, Li et al.18 and Broughton et al. (2003); (E) Nakatani et al.20 and Chen et al.22; (F) Ortà and Meyer13 and this study. ‘Mor’ or ‘Com’ indicates trees were based on only morphological data or combination of morphological and molecular data and others were based on only molecular data. The topology with dotted lines means not all branches included in the studies.