WMessina
WAngostura Formation, Ecuador
WBetic corridor
WBocas del Toro Group
WCamarinal Sill
WCercado Formation
WChagres Formation
WCyprus dwarf elephant
WGoliad Formation
WHippopotamus pentlandi
WHuayquerías Formation
WLate Cenozoic Ice Age
WLetrero Formation
WNancy Point Formation
WOld Bank Formation
WSanta Cruz Mudstone
WSorbas Basin
WTobabe Formation
WZanclean flood