| Meaning: arm lizard | Teeth: 52 chisel-like teeth |
| Length: 26 meters (85 feet) | Food: ate the tops of tall trees |
| Height: 16 meters (50 feet) | How it walked: walked on four legs, front legs longer than back legs |
| Weight: kilograms (10,000 pounds) | Period: Jurassic |
| Type of feeder: plant eater (herbivore) | Other facts:Had nostrils at the top of its head, above its eyes |