WArchaeocydippida
WBathocyroe
WBathocyroe fosteri
WBolinopsidae
WCallianira hexagona
WCestidae
WCoeloplana
WCoeloplanidae
WCtenorhabdotus
WFasciculus
WLeucotheidae
WMaotianoascus
WNeis
WOcyropsis
WPaleoctenophora
WPleurobrachia
WScleroctenophora
WSinoascus
WTyphlocoela
WXanioascus