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Diagram showing the size of Supersaurus (orange) compared with selected giant sauropods Supersaurus is among the largest dinosaurs known from good remains and quite possibly the longest discovered thus far, with the WDC specimen reaching 33–36 meters (108–118 ft) in length, the BYU specimen reaching perhaps 39 meters (128 ft) and a third ...
More recent and reliable estimates in 2023 have rescaled Bruhathkayosaurus to weigh around 110–130 t (120–140 short tons) with its most liberal estimate being 240 t (260 short tons), making it incredibly massive for such an animal. [17] If the upper unlikely size estimates were to be taken at face value, Bruhathkayosaurus would not only be ...
Diplodocoidea is a superfamily of sauropod dinosaurs, which included some of the longest animals of all time, including slender giants like Supersaurus, Diplodocus, Apatosaurus, and Amphicoelias. Most had very long necks and long, whip-like tails; however, one family (the dicraeosaurids ) are the only known sauropods to have re-evolved a short ...
Another huge animal of this group was Uintatherium, with skull length of 76 cm (30 in), 1.5 m (4 ft 11 in) tall at the shoulder, [146] 4 m (13 ft) in length and 2.25 t (2.48 short tons), the size of a rhinoceros. [147] Despite their large size, Eobasileus as well as Uintatherium had a very small brain. [146] [147]
The report said that it was the biggest known yet. In 2020 Molina-Perez and Larramendi estimated the size of the animal at 31 meters (102 ft) and 72 tonnes (79.4 short tons) based on the 1.75 meter (5.7 ft) long footprint. [23]
Its syntype series consists of several separately discovered sauropod bones found in Cambridgeshire in 1862, including two caudal (tail) vertebrae (CAMSM J.29477 and CAMSM J.29478), the distal end of a tibia (CAMSM J.29483), a cast of the right radius (CAMSM J.29482), a cast of phalanx (CAMSM J.29479) and an osteoderm (CAMSM J.29481).
Barosaurus was an enormous animal, with some adults measuring about 25–27 m (82–89 ft) in length and weighing about 12–20 metric tons (13–22 short tons). [ 2 ] [ 3 ] [ 4 ] According to Mike Taylor , the 1.37 m (4.5 ft) long vertebra BYU 9024, previously identified as part of the type individual of Supersaurus vivianae , [ 5 ] may ...
A 1992 Columbia University study of diplodocid neck structure indicated that the longest necks would have required a 1.6-ton heart – a tenth of the animal's body weight. The study proposed that animals like these would have had rudimentary auxiliary "hearts" in their necks, whose only purpose was to pump blood up to the next "heart". [9]