International Dinosaur Discoveries

Dinosaur Discoveries

How did the Majungatholus remains explain the pachycephalosaur?

At the turn of the century, fragments of a dinosaur skull were found in Madagascar. One of these fragments had a protrusion, which led some paleontologists to believe these were the remains of a pachycephalosaur, or “dome-headed” dinosaur. This group of dinosaurs was herbivorous and may have used their thickened skulls as battering rams. Scientists named this dinosaur Majungatholus, but for many years it was only known from a few fossil fragments. The problem was that pachycepthalosaurs have only been found in the Northern Hemisphere. How this dinosaur got to Madagascar was unknown.

With the recent discovery of more complete remains of a Majungatholus, the mystery was finally solved. The older skull fragments matched those of the newly discovered dinosaur. Paleontologists realized that the protrusion on the original bones had been wrongly identified as a dome when in reality it was a horn. There had not been a pachycepthalosaur in Madagascar after all. The Majungatholus was a large, carnivorous dinosaur with a small horn between its eyes.


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