WAnalgoidea
WAraneoidea
WAustrochiloidea
WAvicularioidea
WButhoidea
WChactidae
WCheliferoidea
WChthonioidea
WDeinopoidea
WDermanyssoidea
WDysderoidea
WEupodoidea
WFeaelloidea
WGarypoidea
WGnaphosoidea
WGonyleptoidea
WHydryphantoidea
WTick
WLycosoidea
WNeobisioidea
WOripodoidea
WPalpimanoidea
WPhalangioidea
WPholcoidea
WSamooidea
WSarcoptoidea
WScytodoidea
WTetranychoidea
WTheraphosoidea
WTitanoecoidea
WTrombidioidea