What specialized family within Diplodocoidea does Amargasaurus belong to?
Answer
Dicraeosauridae
*Amargasaurus* is specifically nested within the family Dicraeosauridae, a group characterized by tall neural spines.

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A new huge titanosaur, Amargasaurus sails, and Hans Sues
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To which major sauropod clade does Amargasaurus cazaui definitively belong?What specialized family within Diplodocoidea does Amargasaurus belong to?What is the most visually striking feature distinguishing Amargasaurus?What feature characterizes the neural spines of Amargasaurus, shared with its immediate family?Approximately how long was Amargasaurus generally reconstructed to be?In which geological formation were the fossils of Amargasaurus unearthed?What geological time period does the Amarga Formation containing Amargasaurus date to?How do the vertebral centra of Diplodocoids like Amargasaurus generally compare to those of Titanosaurs?What is a common characteristic used to describe the vertebral structures of Titanosaurs that Amargasaurus lacks?Which group of sauropods did Titanosauria and Diplodocoidea split from a common ancestor earlier than?