Often quite different from their more familiar North American counterparts and adorned with bizarre frills, bumps, dorsal sails, and crests, these new southern “terrible lizards” are changing many of our perceptions about dinosaurs. As an example, consider the now-diminished status of the iconic Tyrannosaurus rex, the fiercest North American predator. The most widely recognized of all dinosaurs, T. rex had long been considered the biggest, baddest carnivore ever to walk the Earth. But now it seems that T. rex, whose name loosely means “king of the tyrant lizards,” is not really the king after all. It has recently been surpassed in both size and probable ferocity by Giganotosaurus from South America and Spinosaurus from Africa. This discussion about southern dinosaurs was inspired by my opportunity to view the spectacular traveling exhibition, Ultimate Dinosaurs. In the presentation, seventeen of these strange southern dinosaurs are displayed. The collection was created and produced by the Royal Ontario Museum, Toronto, Canada, and presented by the Science Museum of Minnesota. The exhibition explains the southern dinosaurs as products of continental drift and subsequent evolutionary isolation through spectacular skeletal mounts and outstanding interpretive displays.
DYNAMIC DINOSAUR DISCOVERIES
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