Figure 1.

Alternative hypotheses of the relationships of Ericabatrachus baleensis and its sister groups. The hypotheses are derived from different sources, which were at the time not necessarily presented as trees (see also Table 1). A) Largen [5], B) Dubois [8], C) Scott [9] (based on her Figure 4, the consensus of morphological and molecular analyses and the revised classification in Appendix seven), D) Frost et al. [6], and E) Pyron and Wiens [10].