WAethiocarenus
WAlienopteridae
WChresmoda
WChresmoda obscura
WCimbrophlebia
WCoptoclavidae
WCordulagomphus
WDiversinitidae
WGigatitan
WIsophlebia
WLeptoconops nosopheris
WLibellulium
WLichnomesopsyche
WLunulipes
WMeganeuridae
WNannogomphus
WNymphes georgei
WOligoapis beskonakensis
WPalaeodictyopteroidea
WPalaeontinoidea
WProtelytroptera
WProterogomphidae
WProtophasma
WProtorthoptera
WRenphasma
WSinaeschnidia
WSpilapteridae
WSteleopteron deichmuelleri
WStenophlebia
WTitanoptera