Lepospondyli

Taxonomie Amphibia (Amfibieën ) Lepospondyli Adelospondyli Adelogyrinidae Acherontiscidae Aistopoda Lethiscidae Ophiderpetontidae Oestocephalidae Pseudophlegethontiidae Phlegethontiidae Nectridea incertae sedis Arizonerpeton Scincosauridae Keraterpetontidae Urocordylidae Microsauria  Odonterpentontidae Tuditanomorpha Pantylidae Tuditanidae Hapsidopareiontidae Gymnarthridae Ostodolepididae Trihecatontidae Goniorhynchidae Brachystelechidae Lysorophia Lysorophidae

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