WAiluropoda microta
WAnakamacops
WAsialepidotus
WCartorhynchus
WCervocerus
WChangaspis
WChenops
WCoeruleodraco
WEmbolotherium
WEntelognathus
WFortiholcorpa
WFuxianhuia
WGansurhinus
WGuangxicyon
WGuizhouichthyosaurus
WJeholops
WJiangxia (mammal)
WJiuchengia
WLambdopsalis
WLiaobatrachus
WLiaoconodon
WLiaoxiornis
WMaotherium
WMizia
WMongolarachne
WOdontochelys
WParalycoptera
WParayunnanolepis
WPermocupedidae
WPhilydrosaurus
WPotanichthys
WPsephochelys
WPteronisculus
WQianshanornis
WQilinyu
WRana basaltica
WSeroherpeton
WShenshou
WShihtienfenia
WShimenolepis
WShuyu
WSinobaatar
WSinonyx
WSinovenatorinae
WStyloichthys
WSymphysops
WUndulopsychopsis
WXiangshuiosteus
WYantanglestes