WEomola
WEospinus
WEstesia
WGigantspinosaurus
WIberomesornis
WKronosaurus
WLazarussuchus
WMessapicetus
WMonotrematum
WNeuquensaurus
WNochelaspis
WObdurodon
WPatagopteryx
WSaghacetus
WSardolutra
WSinornis
WUdanoceratops
WWakinosaurus
WXiangshuiosteus
WYantaromyrmex