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Argentinosaurus (meaning "lizard from Argentina") is a genus of giant sauropod dinosaur that lived during the Late Cretaceous period in what is now Argentina.Although it is only known from fragmentary remains, Argentinosaurus is one of the largest known land animals of all time, perhaps the largest, measuring 30–35 m (98–115 ft) long and weighing 65–80 t (72–88 short tons).
In other studies, Argentinosaurus has been estimated at 65–96.4 tonnes (71.7–106.3 short tons). [11] [16] [17] [18] In 2019, Paul noted that the articulated length of the back vertebrae was larger in Argentinosaurus (4.47 metres (14.7 ft)) than in Patagotitan (3.67 metres (12.0 ft)), making it impossible for Patagotitan to
The wing finger may have been between the elbow and the torso whilst on land. [13] The first digit is the smallest, and the third is the biggest, with the exception of the wing finger. [3] The femur was significantly more gracile than the humerus, though is still among the most robust bones in Quetzalcoatlus' skeleton, judging by Q. lawsoni. [13]
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Macronaria is a clade of sauropod dinosaurs.Macronarians are named after the large diameter of the nasal opening of their skull, known as the external naris, which exceeded the size of the orbit, the skull opening where the eye is located (hence macro- meaning large, and –naria meaning nose).
Size of a few specimens compared to a human. Mapusaurus was a large theropod, but slightly smaller in size than its close relative Giganotosaurus, with the largest specimen measuring around 10.2–12.2 metres (33–40 ft) long and weighing up to 3–6 metric tons (3.3–6.6 short tons).
Its femur was roughly 1.9 metres (6.2 ft) long, somewhat smaller than the estimated 2.5 metres (8.2 ft) length of the femur of Argentinosaurus. The forelimb was shorter than the hindlimb, with a humerus 78% the length of the femur, as is typical of titanosaurs but unlike some basal titanosauriforms such as brachiosaurids. As in other ...
Alamosaurus was a gigantic quadrupedal herbivore with the long neck, the long tail, the relatively long limbs and the body partly covered with bony armor. [ 3 ] [ 4 ] It would have measured around 26 metres (85 ft) long, 5 metres (16 ft) tall at the shoulder and weighed up to 30–35 tonnes (33–39 short tons) based on known adult specimens ...