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Ambystoma mexicanum Bufo bufo Xenopus tropicalis Rhinatrema bivittatum Ichthyophis bannanicus Microcaecilia unicolor Geotrypetes seraphini Calyptommatus sinebrachiatus Podarcis muralis Lacerta agilis Protobothrops mucrosquamatus Pseudonaja textilis Notechis scutatus Thamnophis elegans Pantherophis guttatus Python bivittatus Pogona vitticeps Dopasia gracilis Alligator mississippiensis Gallus gallus Mauremys mutica Ornithorhynchus anatinus Homo sapiens Mus musculus
0 90 180 270 352 Time (MYA)
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