Figure 2 in The otic region of Doleserpeton (Temnospondyli) and its implications for the evolutionary origin of frogs

Figure 2. The occiputs of extant and fossil lissamphibians (not drawn to scale). A, Conraua goliath (from Starck, 1979). B, unidentified pipid anuran from the Upper Cretaceous In Beceten locality (from Baez & Rage, 1998). C, Cryptobranchus alleganiensis (from Carroll & Holmes, 1980). D, Hynobius naevius (from Carroll & Holmes, 1980). E, Hypogeophis rostratus (from Carroll & Currie, 1975). F, Eocaecilia micropodia (from Jenkins, Walsh & Carroll, 2007).