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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 specimens found were remarkably complete, significantly more so than previous titanosaurs. It since been suggested that Patagotitan was not necessarily larger than Argentinosaurus and Puertasaurus. [30] In 2019, Patagotitan was estimated to have been 31 metres (102 ft) long and about 55 tonnes (121,000 lb). [31]
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.
Argentinosaurus: 1993 Huincul Formation (Late Cretaceous, Cenomanian to Turonian) Argentina: May be the largest known dinosaur Argyrosaurus: 1893 Lago Colhué Huapí Formation (Late Cretaceous, Campanian to Maastrichtian) Argentina: Several remains were historically assigned to this genus, but only the holotype can be confidently assigned to it ...
If true, it would make Bruhathkayosaurus the single largest terrestrial animal to have walked the earth and would have rivalled the largest blue whale recorded. [ 412 ] BYU 9024, a massive cervical vertebra found in Utah , [ 413 ] may belong to a Barosaurus lentus [ 414 ] [ 415 ] or Supersaurus vivianae [ 416 ] of a huge size, possibly 45–48 ...
Fischer-Gödde and his colleagues found that, unlike many other impactors over the last 541 million years, the Chicxulub impactor that killed the dinosaurs and up to 75% of all life on Earth ...
A team of archaeologists working on a road upgrade project have uncovered a Roman stone coffin weighing the same as a small caravan. The casket, which weighed 118 stones (750kg), was discovered ...
Size of Paraceratherium (dark grey) compared to a human and other rhinos (though one study suggests Palaeoloxodon namadicus may have been a larger land mammal). The blue whale is the largest mammal of all time, with the longest known specimen being 33 m (108.3 ft) long and the heaviest weighted specimen being 190 tonnes.