WArietites
WCobbanites
WEchioceratidae
WFagesia
WForresteria
WHarpoceratinae
WHedenstroemia
WHildoceratinae
WHoplites (ammonite)
WLithacoceras
WLyelliceras
WMammites
WManticoceras
WMetoicoceras
WMonophyllites
WMortoniceras
WNeocomites
WOlcostephanus
WPachydesmoceras
WPachydiscus
WParaceltites
WPeroniceras
WPhyllopachyceras
WPlacenticeras
WPleuroceras (ammonite)
WPsiloceras
WPtychites
WPuzosia
WScaphites
WShastoceras
WTaffertia
WTiltoniceras
WUptonia
WVascoceras
WWatinoceras