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Discoglossus galganoi Xenopus laevis Ascaphus truei Ambystoma mexicanum Dicamptodon copei Taricha rivularis Necturus punctatus Necturus lewisi Necturus alabamensis Necturus beyeri Necturus maculosus Proteus anguinus Amphiuma pholeter Amphiuma means Amphiuma tridactylum Plethodon cinereus Rhyacotriton variegatus Siren intermedia texana Siren intermedia nettingi Siren intermedia intermedia Siren lacertina Pseudobranchus axanthus Pseudobranchus striatus Andrias davidianus Hynobius nebulosus Typhlonectes natans
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