@@40@@ /\WAalenian/ /\WAbereiddian/ /\Wacanthodi/ /\Wacritarch/ /\WActonian/ /\WAksayan/ /\WAlbian/ /\WAmgan/ /\Wammonite/ /\Wammonoid/ /\WAnisian/ /\Wanomalocari/ /\WAptian/ /\WAquitanian/ /\Warchaeocyath/ /\Warchaeopteris/ /\Warchaeopteryx/ /\WArenig/ /\WArtinskian/ /\WAshgill/ /\WAsselian/ /\WAtdabanian/ /\WAyusokkanian/ /\WBajocian/ /\WBarremian/ /\WBartonian/ /\WBashkirian/ /\WBathonian/ /\WBatyrbayan/ /\Wbelemnite/ /\Wbennettitales/ /\WBerriasian/ /\WBlancan/ /\Wblastoid/ /\WBoomerangian/ /\WBotomian/ /\WBurdigalian/ /\Wburgess\sshale/ /\WCaerfai/ /\Wcalamites/ /\WCallovian/ /\WCambrian/ /\WCampanian/ /\WCapitanian/ /\WCaradoc/ /\WCarboniferous/ /\WCarnian/ /\WCassinian/ /\WCautleyan/ /\WCayugan/ /\WCenomanian/ /\Wceratops/ /\WChanghsingian/ /\WChanglangpuan/ /\WChattian/ /\WChazy/ /\WCisuralian/ /\WCisuralian/ /\Wclub\stree/ /\Wcoal(\s|-)age/ /\Wcoelophys/ /\Wcondylarth/ /\WConiacian/ /\Wconodont/ /\Wcoprolite/ /\Wcordaites/ /\WCostonian/ /\Wcreodont/ /\WCretaceous/ /\WCroixan/ /\WCryogenian/ /\Wcycadeoid/ /\Wcynodont/ /\WDanian/ /\WDarriwilian/ /\WDelamaran/ /\WDeming/ /\WDevonian/ /\Wdicrodium/ /\WDolgellian/ /\WDyeran/ /\WEdiacara/ /\WEifelian/ /\WEmsian/ /\WEocene/ /\Weuramerica/ /\Weurypterid/ /\Wextinct/ /\WFamennian/ /\WFestiniogian/ /\WFrasnian/ /\WFurongian/ /\WGaconadian/ /\WGamach/ /\WGelasian/ /\WGivetian/ /\Wgondwana/ /\Wgoniatite/ /\Wgraptolit/ /\WGuadalupian/ /\WGuadalupian/ /\WGzhelian/ /\WHarnagian/ /\WHauterivian/ /\WHettangian/ /\WHirnantian/ /\WIbexian/ /\Wichnite/ /\WIdamean/ /\WInduan/ /\WJurassic/ /\WKasimovian/ /\WKazanian/ /\WKimmeridgian/ /\WKungurian/ /\WLadinian/ /\Wlagerst(a|ä)tte/ /\WLanghian/ /\Wlaurasia/ /\WLenian/ /\Wlepidodendron/ /\WLlandeilian/ /\WLlandeilo/ /\WLlandovery/ /\WLlanvirn/ /\WLochkovian/ /\WLockportian/ /\WLongvillian/ /\WLongwangmioan/ /\WLopingian/ /\WLopingian/ /\WLudlow/ /\WMaastrichtian/ /\Wmacronarian/ /\WMaentwrogian/ /\WMaozhangian/ /\WMarjuman/ /\Wmarrella/ /\WMarshbrookian/ /\WMaysville/ /\Wmeganisoptera/ /\WMeishuchuan/ /\WMerioneth/ /\WMesozoic/ /\WMessinian/ /\WMindyallan/ /\WMiocene/ /\WMississippian/ /\WMontezuman/ /\WMoscovian/ /\WNemakit-Daldynian/ /\WNorian/ /\WOlenekian/ /\WOligocene/ /\WOnnian/ /\WOrdian/ /\WOrdovician/ /\Wornithischian/ /\Wornithopod/ /\Worthocerid/ /\WOxfordian/ /\WPaibian/ /\Wpalaeodictyoptera/ /\WPaleocene/ /\WPaleogene/ /\WPaleozoic/ /\Wpalyno/ /\Wpangaea/ /\Wparareptil/ /\WPayntonian/ /\WPennsylvanian/ /\WPermian/ /\WPiacenzian/ /\Wplacoderm/ /\WPleistocene/ /\WPliensbachian/ /\WPliocene/ /\WPragian/ /\WPriabonian/ /\WPridoli/ /\Wproductid/ /\WProterozoic/ /\Wprotodonata/ /\WPusgillian/ /\WQungzusian/ /\Wradiocarbon/ /\Wradiometric/ /\WRawtheyan/ /\WRhaetian/ /\Wrhizodont/ /\Wrhyniophyt/ /\WRoadian/ /\Wrodinia/ /\Wrudist/ /\WRupelian/ /\WSakian/ /\WSakmarian/ /\WSantonian/ /\Wscale\stree/ /\WScythian/ /\Wsea\smonster/ /\Wsea\sscorpion/ /\WSelandian/ /\WSerpukhovian/ /\WSerravallian/ /\Wsigillaria/ /\WSilurian/ /\WSinemurian/ /\WSoundleyan/ /\Wspiriferid/ /\WSteptoan/ /\Wstrophomenid/ /\WSunwaptan/ /\Wtaphonom/ /\Wtemnospondyl/ /\WTempletonian/ /\WThanetian/ /\Wthyreophor/ /\WTithonian/ /\WToarcian/ /\WTommotian/ /\WTonawandan/ /\WTonian/ /\WTortonian/ /\WTournaisian/ /\WToyonian/ /\WTremadoc/ /\WTremadocian/ /\WTriassic/ /\Wtrilobit/ /\WTuronian/ /\WUfimian/ /\Wuintather/ /\WUndillian/ /\WValanginian/ /\WViséan/ /\WWaucoban/ /\WWenlock/ /\WWordian/ /\WWuchiapingian/ /\WYpresian/ /\WLutetian/ /\WZanclean/ /\WZhungxian/ /\WZuzhuangian/ /fossil/ /ichnolog/ /osaur(us|ians?|oids?|oidea|ids?|idae)?\W/ /pala?eo/ /sauropod/ 20 /\Wpala?eontolog/