: Its extreme neck length has led to intense speculation about its cardiovascular system. To pump blood to its head, Barosaurus would have required an exceptionally large heart and high blood pressure, leading to some (largely dismissed) theories that it may have had as many as eight hearts.
: A complete Barosaurus skull has never been found. Most current reconstructions use the peg-like teeth and slender snouts of other diplodocids as a reference. Scientific & Biological Curiosities barosaur
: Studies of its vertebrae have identified "pneumatic hiatuses," indicating it possessed complex air sac systems similar to modern birds, which would have helped lighten its massive frame. Public Exhibits and Impact : Its extreme neck length has led to
Installation art in the service of science | EXTINCT MONSTERS Most current reconstructions use the peg-like teeth and
: Adults typically measured between 24 and 27 meters (79–89 feet) and weighed roughly 12 to 20 metric tons.