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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).
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
Sauroposeidon (/ ˌ s ɔːr oʊ p oʊ ˈ s aɪ d ən / SOR-o-po-SY-dən; meaning "lizard earthquake god", after the Greek god Poseidon [3] [4]) is a genus of sauropod dinosaur known from several incomplete specimens including a bone bed and fossilized trackways that have been found in the U.S. states of Oklahoma, Wyoming, and Texas.
Based on surviving descriptions of a single fossil bone, scientists have produced numerous size estimates over the years; the largest estimate M. fragillimus to have been the longest known animal at 58 metres (190 ft) in length with a mass of 150 tonnes (150 long tons; 170 short tons). However, because the only fossil remains were lost at some ...
Known bones from Argentinosaurus with the holotype elements in white: Argyrosaurus superbus: MLP 77-V-29-1 [96] La Plata Museum [96] Campanian [97] Lago Colhué Huapí Formation, Patagonia [96] Complete fore limb [96] The holotype limb shown from multiple views: Arkharavia heterocoelica: AEIM no. 2/418 [98] Amur Natural History Museum [98] Late ...
Advanced titanosaurs had no digits or digit bones, and walked only on horseshoe-shaped "stumps" made up of the columnar metacarpal bones. [ 40 ] Print evidence from Portugal shows that, in at least some sauropods (probably brachiosaurids), the bottom and sides of the forefoot column was likely covered in small, spiny scales, which left score ...
Tests of animal bones found nearby suggest that the climate was harsh — comparable to modern-day Siberia. That means humans were having success in an extreme climate some 45,000 years ago.
[13] [14] Wedel also criticised the polygon-based method that Carballido and colleagues used to compare the sizes of Patagotitan and Argentinosaurus ' vertebrae, noting that the former was largely empty space. [15] In other studies, Argentinosaurus has been estimated at 65–96.4 tonnes (71.7–106.3 short tons).