+–––––––––––––––+–––––––––––––––––+––––––––––––––––––+––––––––––––––––––+ | | Western | Eastern | American. | | | Palaearctic. | Palaearctic. | | +–––––––––––––––+–––––––––––––––––+––––––––––––––––––+––––––––––––––––––+ | Sirenidae | ... | | 1 Siren | | | ... | | 1 Pseudobranchus | | | | | | | Proteidae | 1 Proteus | | 1 Necturus | | | | | | | Amphiumidae | (1 _Andrias_, | ... | 1 Amphiuma | | | Miocene) | 1 Cryptobranchus | 1 Cryptobranchus | | | | | | | Salamandridae | Desmognathinae | | | –––––––––––––– | | | ... | | 1 Thorius | | | ... | | 1 Haptoglossa | | | ... | | 3 Desmognathus | | | ... | | 1 Typhlotriton | | | | | | | | Pleithodontinae | | | ––––––––––––––– | | | 1 Spelerpes | | 21 Spelerpes | | | ... | | 2 Manculus | | | ... | | 7 Plethodon | | | ... | | 3 Batrachoseps | | | ... | | 1 Typhlomolge | | | ... | | 2 Autodax | | | | | | | | Amblystomatinae | | | ––––––––––––––– | | | | 1 Amblystoma | 16 Amblystoma | | | | ... | 1 Dicamptodon | | | | 1 Batrachyperus | | | | | 1 Ranidens | | | | | 1 Geomolge | | | | | 1 Onychodactylus | | | | | 2 Salamandrella | | | | | 3 Hynobius | | | | | | |