WAcleistorhinidae
WAnthodon (reptile)
WAraeoscelis
WArchosaurus
WArganaceras
WBelebey (genus)
WBolosauridae
WBolosaurus
WBrazilosaurus
WDeltavjatia
WEudibamus
WGansurhinus
WHovasaurus
WLabidosaurus
WLanthanosuchoidea
WLanthanosuchus
WMillerettidae
WMillerosauria
WMillerosaurus
WNanoparia
WOpisthodontosaurus
WOrovenator
WPaliguana
WPareiasaurus
WProtorothyris
WPumiliopareia
WShihtienfenia
WSuchonosaurus
WTangasauridae
WThadeosaurus
WYounginiformes