WAbdounodus
WAkmonistion
WAletopelta
WArchaebranchinecta barstowensis
WArdipithecus kadabba
WBienosaurus
WCearachelys
WCedarpelta
WChelodina alanrixi
WCherninia
WCitipati
WCornovichthys
WElectromyrmococcus
WEotyrannus
WFluvioviridavis
WGobisaurus
WHaopterus
WHauffiosaurus
WHesperosaurus
WHypuronector
WIberospondylus
WIstiodactylus
WJiangshanosaurus
WJinzhousaurus
WKalimantsia
WKenyanthropus
WKhaan
WLiaoningosaurus
WLosillasaurus
WLumkuia
WMasiakasaurus
WNeimongosaurus
WNothronychus
WOcepeia
WOrrorin
WParalititan
WPezosiren
WProzostrodon
WPukyongosaurus
WQaisracetus
WQuilmesaurus
WRapetosaurus
WRiograndia
WRubricacaecilia
WRudicetus
WRuehleia
WSauropareion
WStratiotosuchus
WStyloichthys
WTrochodendron nastae
WViti Levu giant pigeon
WWalliserops
WYanornis
WYixianornis
WYuyuanozoon