Despite you specifying "professional literature" I suspect two of the first three responses will be Piltdown man and Nebraska man. The third will be the 1999 National Geographic story about the Archaeoraptor fossil that eventually turned out to be a fake (albeit made from parts of two previously unknown dinosaurs).
Oh and when randman is unsuspended he'll tell you that Pakicetus isn't a cetacean.
Oops! Wrong Planet