WAmbystomatidae
WBatrachuperus
WCascade torrent salamander
WClawed salamander
WColumbia torrent salamander
WCryptobranchoidea
WDwarf siren
WEzo salamander
WGulf Coast waterdog
WHida salamander
WHynobius
WHynobius formosanus
WHynobius nebulosus
WJapanese black salamander
WOdaigahara salamander
WOita salamander
WOlympic torrent salamander
WOnychodactylus fischeri
WPachyhynobius
WParadactylodon
WPersian brook salamander
WSalamandrella
WSalamandrella tridactyla
WSalamandroidea
WSeminobatrachus
WSiren (genus)
WSlender salamander
WSpeleomantes strinatii
WStreamside salamander
WTaiwan lesser salamander
WTōhoku salamander
WTokyo salamander
WTwo-toed amphiuma
WYellow-peppered salamander
WYenyuan stream salamander