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Abelisaurus
Abelisaurus (Abelisaurus comahuensis), meaning "Abel's lizard", was a type of dinosaur. It was discovered by Othenio Abel, the director of the Argentinian Museum of Natural Science, and named by J.F. Bonaparte and F.E. Novas in 1985.
Abelisaurus has been establish in Rio Negro in
Argentina, and is supposed to have lived around 75
to 70 million years ago, during the late Cretaceous period. It is known from a
single incomplete, 33-inch (85 cm) long skull. It had strangely
heavy teeth, and thus was possibly in part a scavenger.
Abelisaurus was a bipedal carnivore, a primitive theropod, standing roughly 6.6 feet
(2 metres) tall at the hips, 21 to 26 feet (almost 8 meters) long
and weighing 1.4 tons. Large fenestrations (window-like openings)
in the Abelisaurus's skull meant that its skull was lighter than
most dinosaurs.
Abelisaurus may have been connected to carnotaurus,
which also lived in Argentina over 70 million years ago, and perhaps
to indosuchus.
