WAbrytasites
WAcanthoceras
WAcanthohoplites
WAcanthoscaphites
WAcompsoceras
WAinoceras
WBaculites
WBarroisiceras
WCalliphylloceras
WCalycoceras
WDidymoceras
WHoplites (amonit)
WLewesiceras
WMammites
WMantelliceras
WMortoniceras
WNeocomites
WOlcostephanus
WPachydiscus
WParapuzosia
WParatexanites
WScaphites
WSchloenbachia
WSphenodiscus