WAaveqaspis
WAcanthostega
WArcticoceras
WAtrypa
WBaculites
WBirgeria
WBuenaspis
WBuenellus
WFadenia
WFavosites
WFritzolenellus
WHindeodus
WHomosteus
WIchthyostega
WKerygmachela
WKleptothule
WLeptaena
WPhragmochaeta canicularis
WPlanolites
WPlateosaurus
WTamisiocaris
WToragnostus
WVauxia
WWaptia
WYmeria