WAdriosaurus
WAigialosaurus
WAphanizocnemus
WArdeosaurus
WBarbaturex
WBavarisauridae
WCarsosaurus
WChometokadmon
WCretaceogekko
WDalinghosaurus
WDolichosaurus
WEstesia
WGilmoreteius
WGlyptosaurinae
WHainosaurusWHelodermoides
WHuehuecuetzpalli
WIgua
WKourisodon
WLapitiguana
WLatoplatecarpus
WOpetiosaurusWOphidiomorpha
WPeltosaurus
WPlesioplatecarpus
WPlotosaurus
WPolyglyphanodon
WPontosaurus
WPumilia
WTaniwhasaurus
WTethysaurus
WXianglong
WYabeinosaurus