Scientists have discovered the first dinosaur tracks on the Arabian Peninsula. They have discovered evidence of a large ornithopod dinosaur, as well as a herd of 11 sauropods walking along a Mesozoic coastal mudflat in what is now the Republic of Yemen.
"No dinosaur trackways had been found in this area previously. It's really a blank spot on the map," said Anne Schulp of the Maastricht Museum of Natural History in The Netherlands. He conducted the study with Ohio University paleontologist Nancy Stevens and Mohammed Al-Wosabi of Sana'a University in Yemen.
The finding also is an excellent example of dinosaur herding behavior, the researchers report. The site preserved footprints of 11 small and large sauropods -- long-necked, herbivorous dinosaurs that lived in the Jurassic and Cretaceous periods -- traveling together at the same speed.
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