thumb|Sclerocephalus thumb|Saharastega thumb|Siderops Saevesoederberghia Saharastega "Sanyanlichan" Saltenia Sassenisaurus Sauravus Sauropleura Saxonerpeton Scapherpeton Schoenfelderpeton Scincosaurus Sclerocephalus Sclerothorax Scotiphryne Shelania Shomronella Siderops Sillerpeton Sinerpeton Sinobrachiops Singidella Slaugenhopia Sparodus Spondylophryne Stanocephalosaurus Stegops Stegotretus Stenotosaurus Stoschiosaurus Subcyclotosaurus Syndyodosuchus Syphonidon
T
thumb|Triadobatrachus thumb|Trematosaurus Tatrasaurus Taphrognathus Tersomius Tertrema Tertremoides Thabanchuia Theatonius Thoosuchus Thoraciliacus Tirraturhinus Trachystegos Trematolestes Trematosaurus Trematosuchus Trematotegmen Triadobatrachus Trihecaton Trimerorhachis Tryphosuchus Tuditanus Tungussogyrinus Tupilakosaurus
U
Uranocentrodon Urocordylus Utaherpeton
V
Valdotriton Vanastega Vieraella Vigilius Volgasaurus Volgasuchus Vulcanobatrachus
W
right|200px|thumb|Wetlugasaurus Wantzosaurus Watsonisuchus Wealdenbatrachus Wellesaurus Wetlugasaurus
X
Xenobrachyops Xenotosaurus Xestorrhytias
Y
Yarengia Yuanansuchus Yizhoubatrachus
Z
right|200px|thumb|Zatrachys Zaphrissa Zatrachys Zygosaurus
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