Brachiosaurus altithorax

Biology
Brachiosaurus altihorax(Arm Lizard) were the Species of Brachiosauridae Lived in North America during in the to Middle ~ Late Jurassic Period(155 Millions ~ 150 Millions Years Ago). The reason of these Sauropods were named "arm lizard" was the fore legs were longer than hide legs. They were about 26 meters tall, 85 meters long and about 30 ~ 80 tons. The first fossil of Brachiosaurus was found in Colorado River, United States of North America in 1900.