Scientific classification

Barosaurus is a Late Jurassic Sauropod related to Diplodocus and Apatosaurus. Like other sauropods, it has a long, slender neck, stout, column-like limbs, and a long whip-like tail.

One primary difference between Barosaurus and Diplodocus is that it has 16 neck vertebrae, as opposed to the usual 15. Also, the vertabrae were about a third longer in length than its relatives. This suggests a larger feeding range, as it can stretch its neck easier to get the leaves on different-sized trees.
Barosaurus fossils are found in the USA and Tanzania and the average skeleton is about 92 feet (28m) long.