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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. It is one of the largest ...
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).
Dreadnoughtus: 2014 Cerro Fortaleza Formation (Late Cretaceous, Campanian to Maastrichtian) Argentina: The heaviest land animal whose mass can be calculated with reasonable certainty Drusilasaura: 2011 Bajo Barreal Formation (Late Cretaceous, Cenomanian to Turonian) Argentina: Potentially the oldest known member of the lognkosaurian lineage [24]
Scientists have unearthed in Argentina's Patagonian wilderness fossils of what may be the oldest-known member of the dinosaur group known as titanosaurs that includes the largest land animals in ...
Like Argentinosaurus and other members of the Lognkosauria, Patagotitan was a particularly large and robust titanosaur. It can be distinguished from its close relatives by a suite of unique characteristics in its back and tail vertebrae , scapulae and humeri in the forelimb, and ischia and femora in the hindlimb.
Scale diagram comparing a human and the longest-known dinosaurs of five major clades An adult male bee hummingbird, the smallest known and the smallest living dinosaur. Size is an important aspect of dinosaur paleontology, of interest to both the general public and professional scientists.
An adult would have been about twice as long (15 metres (49 ft) in length) [2] which is still less than half the length of its gigantic kin, like Argentinosaurus and Paralititan. In 2020 Molina-Perez and Larramendi estimated the size of the probable adult specimen (MAD 93-18), which is known from a femur, at 16.5 meters (54 ft) and 10.3 tonnes ...
Australotitan represents the largest known Australian dinosaur.The femur of specimen EMF164 has a length of 2.146 metres (7.04 ft), similar in size to the femora of Futalognkosaurus and Dreadnoughtus, though smaller than those of Patagotitan.