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| More Dinosaur Fact Sheets | EnchantedLearning.com Ultrasauros Fact Sheet |
Dinosaur/Paleontology Dictionary |
| NAME: | Meaning - Ultrasauros means "ultra lizard" Pronounced - ul-tra-SAWR-os Named By - Jensen/Olshevsky When Named - 1991 Status - Ultrasauros is a dubious genus; its fossils are probably the remains of two different genera of huge plant-eating dinosaurs (Brachiosaurus and Supersaurus). |
| DIET: | Herbivore (plant-eater). Ultrasauros probably ate the tops of tall trees with its large spatulate (chisel-shaped) teeth. It swallowed its food whole, without chewing it, digesting the plant material in its gut. |
| SIZE: | Length - 82-100 feet long (25-30 m) long Height - 50+ feet (16+ m) tall at the hips Weight - 55 to 130 tons |
| WHEN IT LIVED: | Late Jurassic period |
| WHERE IT LIVED: | Fossils have been found in Colorado, USA, North America. |
| FOSSILS: | Just a few bones of "Ultrasauros" were found in the Upper Jurassic Morrison Formation in western Colorado, USA, in 1979, by US paleontologist James A. Jensen. A shoulder blade (scapula), some vertebrae, and a partial hip have been found. These fossils are probably bits of a huge Brachiosaurus (the enormous shoulder bone) and a Supersaurus (the vertebrae). |
| CLASSIFICATION: |
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| INTERESTING FACTS: |
Ultrasauros is a dubious genus of dinosaur. Its fossils are probably the remains of two different genera of huge plant-eating dinosaurs (Brachiosaurus and Supersaurus). |
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