What physical characteristic most distinguished *Amargasaurus* from its giant sauropod cousins?
Answer
A double row of tall, bony rods along its back and neck
Its most defining characteristic was a double row of elongated neural spines projecting upward from its vertebrae along both its neck and back, creating a spectacular crest.
Related Questions
During which geological period did *Amargasaurus* roam South America?What physical characteristic most distinguished *Amargasaurus* from its giant sauropod cousins?Approximately how long was the estimated total length of an *Amargasaurus*?To which specific family of sauropods did *Amargasaurus* belong?What dietary adaptation is suggested by the spatulate teeth morphology of *Amargasaurus*?Where were the neural spines of *Amargasaurus* noted to be the tallest?Which hypothesis regarding the function of the tall spines emphasizes intraspecies communication?In which geological formation in Argentina was *Amargasaurus cazaui* initially discovered?How did the relatively small size of *Amargasaurus* benefit its ecological niche compared to contemporaneous titanosaurs?What is the characteristic appearance of the neural spines projecting from the vertebrae?What did the existence of dramatic, localized specialization in *Amargasaurus* suggest about sauropod evolution during the Cretaceous?