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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).
Its bones were extensively pneumatized, suggesting an air sac system like those of modern birds Agustinia: 1999 Lohan Cura Formation (Early Cretaceous, Aptian to Albian) Argentina: Originally described as possessing long, vaguely stegosaur-like spikes, although these turned out to be fragments of ribs and other bones [2] Alnashetri: 2012
Bones from several similar-sized individuals were incorporated into the skeleton now mounted and on display at the Museum für Naturkunde Berlin; [22] this mount is 12–13.27 metres (39.4–43.5 ft) tall and 21.8–22.5 metres (72–74 ft) long, [23] [24] [25] and would have belonged to an animal that weighed between 30,000 to 60,000 kilograms ...
One of the femur (thigh) bones recovered was 2.4 m long, and a humerus had a circumference of 79 cm at the centre of the shaft, and this allowed the animal to be estimated at 37 m long and 70 metric tons in weight. [1] This would make the titanosaur larger than Argentinosaurus, another species of titanosaur. A ridge on the back of one of the ...
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).
The titanosaurian sauropod Argentinosaurus huinculensis, one of the largest known land animals, is named after the formation. [2] Another noteworthy Huincul dinosaur is the carcharodontosaurid theropod Mapusaurus roseae , which is regarded as one of the largest known terrestrial predators .
The specimen represented approximately 30% of the skeleton. Its bones are being held at the Wyoming Dinosaur Center. A comparison of WDC DMJ-021 and other specimens previously assigned to Supersaurus was done in order to help decide what material from the Dry Mesa Quarry belonged to the genus. It indicated that a series of tail vertebrae and an ...
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.