Sauroposeidon proteles

Sauroposeidon, a colossal sauropod dinosaur from the Early Cretaceous period around 110 million years ago, is considered one of the tallest dinosaurs ever discovered, with estimates suggesting it could have reached heights of up to 60 feet or more when standing. Known primarily from fossilized vertebrae found in what is now Oklahoma, USA, this dinosaur’s neck alone could have been over 40 feet long, allowing it to reach the tallest vegetation in its environment, such as tree tops that other herbivores couldn't access. Despite its massive size, with estimates putting its length at up to 105 feet and its weight around 40 tons, Sauroposeidon’s relatively small head and peg-like teeth suggest it was a herbivore, likely feeding on conifers and cycads. This dinosaur’s long neck was supported by a powerful, muscular body and a highly specialized skeletal structure that allowed it to support its immense size. Fossil evidence also suggests that Sauroposeidon, like other giant sauropods, had a relatively slow metabolism, relying on large amounts of plant material to sustain its massive body. While there is still much to learn about its behavior, Sauroposeidon would have likely been a solitary or small-group animal, moving slowly across the forested landscapes of North America, though its size would have made it a relatively low-priority target for predators like the theropod Acrocanthosaurus.