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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
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 .
Rodolfo Aníbal Coria (born in Neuquén June 1, 1959), [1] is an Argentine paleontologist.. He is best known for having directed the field study and co-naming of Argentinosaurus (possibly the world's largest land animal ever) in 1993, and Giganotosaurus (one of the largest known terrestrial carnivores), in 1995 among other landmark South American dinosaurs, including Mapusaurus, Aucasaurus ...
A. Abelichnus; Abelisaurus; Acanthodiscus; Acanthohoplites; Achillesaurus; Acoelodus; Acratophorus argentinensis; Adeopapposaurus; Adianthus; Adiantoides; Adinotherium
The closest is the Dinosaur Genera List, compiled by biological nomenclature expert George Olshevsky, which was first published online in 1995 and was regularly updated until June 2021. [ 1 ] [ 2 ] The most authoritative general source in the field is the second (2004) edition of The Dinosauria .
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 most important metric for understanding the anatomy of a fossil animal is the types of bones. The completeness statistics for Dreadnoughtus schrani are as follows: 116 bones out of ~256 in the entire skeleton (including the skull) = 45.3% complete; 115 bones out of ~196 in the skeleton (excluding the skull) = 58.7% complete