WAmpyx
WAsaphus
WBolbochasmops
WBumastus
WCeraurus
WChasmops
WCheirurus
WDiacalymene
WDikelocephalus
WFlexicalymene
WGravicalymene
WHan solo
WHoekaspis
WIllaenus
WIsotelus
WLeonaspis
WLloydolithus
WMegalaspides
WNaraoia
WNieszkowskia
WOnnia (trylobit)
WPseudogygites
WSelenopeltis
WSphaerexochus
WTriarthrus