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Brachiosaurus is estimated to have been between 18 and 22 meters (59 and 72 ft) long; body mass estimates of the subadult holotype specimen range from 28.3 to 46.9 metric tons (31.2 to 51.7 short tons). It had a disproportionately long neck, small skull, and large overall size, all of which are typical for sauropods.
Traditionally, the distinctive high-crested skull was seen as a characteristic of the genus Brachiosaurus, to which Giraffatitan brancai was originally referred; however, it is possible that Brachiosaurus altithorax did not show this feature, since within the traditional Brachiosaurus material it is known only from Tanzanian specimens now ...
FMNH P 25107 (Holotype): This is the most complete adult Brachiosaurus specimen known. Dorsal vertebrae 6-12 are preserved, in addition to a sacrum, two caudals, a rib, a coracoid, a humerus, and a femur. USNM 21903 ("Potter Creek Humerus"): Scaled after the holotype, this represents the largest known Brachiosaurus specimen. This humerus has ...
Size is an important aspect of dinosaur paleontology, of interest to both the general public and professional scientists. Dinosaurs show some of the most extreme variations in size of any land animal group, ranging from tiny hummingbirds , which can weigh as little as two grams, to the extinct titanosaurs , such as Argentinosaurus and ...
USNM 5730 ("Felch Quarry Skull"): This is the skull that Marsh used for his Brontosaurus restoration. It is partially complete and crushed. A 99 cm cervical was also present at the dig site but was destroyed during excavation. Shown in lime. BYU 12866 and 12867 ("BYU Cervicals"): C5 and C10, respectively.
A nearly complete skull fossil found in Egypt has revealed a new species of Hyaenodonta, an apex carnivore that mysteriously went extinct about 25 million years ago.
Saatva's weighted eye mask takes a two-pronged approach to improving sleep — blocking light and deep pressure stimulation. At $75, this one could also make our list as the best luxury sleep mask ...
As Gen-Z drinks less, other age groups follow suit. The most recent National Survey on Drug Use and Health found less than two-thirds of Americans drank alcohol at least once in 2022. According to ...