 The first known fossil salamanders are <unk> <unk> from the Middle Jurassic of Kyrgyzstan and two species of the apparently neotenic , aquatic <unk> from England of a similar date . They looked superficially like robust modern salamanders but lacked a number of anatomical features that developed later . <unk> <unk> from the Upper Jurassic of Kazakhstan resembled modern mole salamanders in morphology and probably had a similar burrowing lifestyle . 
