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Titanosauria have the largest range of body size of any sauropod clade, and includes both the largest known sauropods and some of the smallest. [25] One of the largest titanosaurs, Patagotitan, had a body mass estimated to be 69 tonnes (76 tons), whereas one of the smallest, Magyarosaurus, had a body mass of approximately 900 kilograms (2,000 lb).
Patagotitan is a genus of titanosaurian sauropod dinosaur from the Cerro Barcino Formation in Chubut Province, Patagonia, Argentina.The genus contains a single species known from at least six young adult individuals, Patagotitan mayorum, which was first announced in 2014 and then named in 2017 by José Carballido and colleagues.
Dreadnoughtus is a genus of titanosaurian sauropod dinosaur containing a single species, Dreadnoughtus schrani. D. schrani is known from two partial skeletons discovered in Upper Cretaceous (Campanian to Maastrichtian; approximately 76–70 Ma) rocks of the Cerro Fortaleza Formation in Santa Cruz Province, Argentina.
Eutitanosauria is a clade of titanosaurs, encompassing the more derived members of the group and characterized by the absence of the hyposphene-hypantrum articulation and possibly the presence of osteoderms.
Titanosauria: 72.2–66 Ma Late Cretaceous: Maastrichtian [16] France: Macrurosaurus semnus Seeley, 1869 Nomen dubium [4] Seeley: 1869 Titanosauriformes [20] 113.2–100.5 Ma Early Cretaceous: late Albian [20] United Kingdom: Gigantosaurus megalonyx Seeley, 1869 Nomen dubium [4] Seeley: 1869 Sauropoda [21] 154.8–149.2 Ma Late Jurassic ...
Various traits suggest that Savannasaurus was an early-diverging (or basal) member of the Titanosauria, but not a member of the more specialized group Lithostrotia. Among these are the absence of hyposphene-hypantrum articulations in its vertebrae, which was one of the flexibility-enhancing traits that may have appeared in multiple titanosaur ...
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Besides, the systematics of Titanosauria is very unstable and it is difficult to establish good affinities between taxa within this clade. Aventadoros ( talk ) 16:51, 11 October 2024 (UTC) [ reply ] Mendozasaurus is by definition a lognkosaur, and has almost always been found to be a colossosaur including in all recent studies.