ocr: fragmentation," he tells me. "At the beginning resembles its North American counterparts. of the Jurassic period, dinosaurs were pretty Sometimes the: scenario seems to play out per- much the same all over the carth. Then the fectly. Witness the "brotherly" match between world started pulling apart. Dinosaurs ended Carcharodontosaurus from Africa and Gigano- up looking very different from one continent tasaurus from here in Patagonia. to the other. How did that happen? 1 think Unfortunately the anatomy of the bones that's the neatest story going." seldom reflects the movement of continents But ...