WAcrophocaWAcrophyseterWAtocetusWAtrypaWBarinasuchusWBoreostemmaWBrachydelphisWCarcharodon hubbelliWCarodniaWCompositaWConocardiumWCynthiacetusWDiabolotheriumWDouvilleicerasWSnowy egretWGlyptodonWList of gomphothere fossils in South AmericaWGryposuchusWHemisyntrachelusWHolmesinaWHondonadiaWIcadyptesWIncakujiraWInkayacuWLivyatanWMacraucheniaWMacroraptorial sperm whaleWMegalolamnaWMegatheriumWMene purdyiWMetaxytheriumWMiocochiliusWMourasuchusWNeocomitesWOcucajeaWOdobenocetopsWPacifichelysWPelagornisWPiscobalaenaWPiscogavialisWPiscophocaWPurussaurusWSagenopterisWScelidodonWScelidotheriumWShrew opossumWSpheniscus muizoniWSupayacetusWThalassocnusWTheosodonWTrigonostylopsWXenastrapotheriumWXiphiorhynchus