What geological feature in Argentina confines the known community surrounding Amargasaurus?
Answer
The Amarga Group in the Neuquén Basin
Determining the neighbors of Amargasaurus requires focusing on fauna recovered from the Amarga Group deposits located in the Neuquén Basin of Argentina.

Related Questions
During which geological stages did Amargasaurus cazaui live?What geological feature in Argentina confines the known community surrounding Amargasaurus?What was the most striking anatomical feature of Amargasaurus?What was the estimated weight range for Amargasaurus?What feeding niche might Amargasaurus have occupied due to its specialized neck structure?Which large carnivorous theropod is known to have coexisted with Amargasaurus?What dinosaur genus likely represented the larger body size class among contemporary sauropods?The ecosystem associated with Amargasaurus is described as highly provincial because its members were confined primarily to which ancient landmass?What type of predator guild dominated the carnivore niche in the Southern Hemisphere during this time, as mentioned in the text?What environmental characteristics defined the habitat where Amargasaurus lived?