WAepyornis
WAldabrachelys abrupta
WAldabrachelys grandidieri
WAmmonoceratites
WArchaeoindris
WArchaeolemur
WArgonauticeras
WBabakotia
WHippopotamus lemerlei
WHippopotamus madagascariensis
WHypogeomys australis
WIfasya
WMalagasy hippopotamus
WParasemionotus
WVorombe
WWhiteia