WAlveolinidaeWAtlas of the Prehistoric WorldWBasic PalaeontologyWBeltanelliformisWCambrian–Ordovician extinction eventWCarbonaceous film (paleontology)WCochleatinaWFazaouro FormationWFusainWHuman-dinosaur coexistenceWKeystone (limestone)WMammoths, Sabertooths, and HominidsWMargaretiaWMoresnetiaceaeWMoscow Paleontological MuseumWPALAIOSWPaleozoic MuseumWPrehistoric Life (book)WSpirorhapheWSubfossilWVertebrate Paleontology (book)WVertebrate Paleontology and Evolution