To compensate for the immense bulk of the animal, many bones throughout the skeleton were hollowed, reducing its weight without significant loss of strength. The largest known Tyrannosaurus rex skull measures up to 1.52 meters (5 ft) in length.Large fenestrae (openings) in the skull reduced weight, as in all carnivorous theropods. In other respects Tyrannosaurus’s skull was significantly different from those of large non-tyrannosaurid theropods. Be a unicornasaurus rex in a field of unicorns shirt It was extremely wide at the rear but had a narrow snout, allowing unusually good binocular vision. The skull bones were massive and the nasals and some other bones were fused, preventing movement between them; but many were pneumatized (contained a “honeycomb” of tiny air spaces) and thus lighter.
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These and other skull-strengthening features are part of the tyrannosaurid trend towards an increasingly powerful bite, which easily surpassed that of all non-tyrannosaurids.
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