WAndrena antoinei
WAphaenogaster mayri
WArchiinocellia
WArchimyrmex
WArchiponera
WBaikuris
WBoltonimecia
WBrownimecia
WColaspis
WDinokanaga
WEorpa (genus)
WEuglossopteryx
WEulithomyrmex
WGyaclavator
WHaidoterminus
WHalictus
WHydriomena
WLithodryas
WMacabeemyrma
WMeganeura
WMetanephrocerus
WMiomyrmex
WMyrmeciites
WNymphes georgei
WPalaeovespa
WPaleolepidopterites
WParastylotermes
WPlumalexius
WProdryas
WProtohabropoda
WSphecomyrma
WTitanomyrma
WYpresiomyrma