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Amargasaurus (/ ə ˌ m ɑːr ɡ ə ˈ s ɔː r ə s /; "La Amarga lizard") is a genus of sauropod dinosaur from the Early Cretaceous epoch (129.4–122.46 mya) of what is now Argentina.The only known skeleton was discovered in 1984 and is virtually complete, including a fragmentary skull, making Amargasaurus one of the best-known sauropods of its epoch.
Ark clams are distinct from other clams in having red blood pigments that facilitate the transport of oxygen to their tissues and enable them to inhabit more hypoxic environments. [1] Ark clams reach reproductive maturity when they are about twelve months old and about 20 mm long. The spawning cycle typically begins in the rainy season.
Mounted skeletons of Tyrannosaurus (left) and Apatosaurus (right) at the AMNH. Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research.
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Mass estimates for Amargasaurus have been noted to vary widely depending on the method used, [11] and studies using other methods, not yet applied to Amargatitanis, have found Amargasaurus to weigh 3.304 metric tons (3.642 short tons) [12] to 4.376 metric tons (4.824 short tons). [13]
While the American fans lightly booed “O Canada” on Thursday night at the 4 Nations Face-Off hockey tournament, the Canadian singer ad libbed new lyrics as a response to President Donald Trump ...
Some scholars were less certain, predicting that at least some of the conservative justices might be open to narrowing the Supreme Court's 1898 decision in a case called United States v. Wong Kim Ark.
Amargasaurus probably fed at mid-height, as shown by the orientation of its inner ear and the articulation of its neck vertebrae, which suggest a habitual position of the snout some 80 centimeters (31 inches) above the ground and a maximum height of 2.7 meters (8.9 feet). Within the Sauropoda, Amargasaurus was a member of the family ...