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Diplodocus, depicted with spines limited to the mid-line of the back. Diplodocids were generally large animals, even by sauropod standards. Thanks to their long necks and tails, diplodocids were among the longest sauropods, with some species such as Supersaurus vivianae and Diplodocus hallorum estimated to have reached lengths of 30 meters (100 ft) or more. [3]
Hundreds of assorted postcranial elements were found in the Monument that have been referred to Diplodocus, but few have been properly described. [6] A nearly complete skull of a juvenile Diplodocus was collected by Douglass in 1921, and it is the first known from a Diplodocus .
The group was not used often, and was synonymized with Diplodocoidea as the groups were often found to have the same content. In 2005, Mike P. Taylor and Darren Naish reviewed diplodocoid phylogeny and taxonomy, and realized that Diplodocimorpha could not be synonymized with Diplodocoidea.
An alternative method, using limb length and body mass, found Brontosaurus and Apatosaurus grew 520 kg (1,150 lb) per year, and reached their full mass before it was about 70 years old. [93] These estimates have been called unreliable because the calculation methods are not sound; old growth lines would have been obliterated by bone remodeling ...
A burned-out white pickup truck was found at a ranch in Santo Tomas, about 40 miles from where the bodies were found, a local police source told CNN. The vehicle was confirmed to be the same one ...
The bodies were found during a routine inspection after the plane landed. "The circumstances surrounding how they accessed the aircraft remain under investigation," JetBlue said. "This is a ...
The latest dinosaur being mounted at the Natural History Museum in Los Angeles is not only a member of a new species — it's also the only one found on the planet whose bones are green, according ...
Diplodocid and brachiosaurid members of the group composed the greater portion of neosauropods during the Jurassic, but they began to be replaced by titanosaurs in most regions through the Cretaceous period. [3] By the late Cretaceous, titanosaurs were the dominant group of neosauropods, especially on the southern continents.