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Ankylosaurus [nb 1] is a genus of armored dinosaur.Its fossils have been found in geological formations dating to the very end of the Cretaceous Period, about 68–66 million years ago, in western North America, making it among the last of the non-avian dinosaurs.
Most expensive fossil sold until the sale of Stan in 2020. [10] Barnum Tyrannosaurus rex: 20% of a skeleton Collected by Japeth Boyce in Wyoming, United States in 1995 Bonhams: May 16, 2004: Los Angeles $93,250 [c] $150,422 Reported to potentially be the same individual as the first T. rex specimen ever discovered, now at the Natural History ...
Restoration. Borealopelta was a large dinosaur, measuring 5.5 metres (18 ft) long and weighing 1.3 metric tons (1.4 short tons). The Suncor specimen is remarkable for its three-dimensional preservation of a large, articulated dinosaur complete with soft tissue.
These predominantly consist of juveniles. Adult fossils have not been found in groups. Pinacosaurus was a medium-sized ankylosaurine, about 5 metres (16 ft) long and weighed up to 1.9 metric tons (2.1 short tons). Its body was flat and low-slung but not as heavily built as in some other members of the Ankylosaurinae. The head was protected by ...
As some analyses, like that of Carpenter from 2001 or David B. Norman in 2021 find Scelidosaurus and possibly other early forms like Emausaurus and Scutellosaurus to fall closer to Ankylosaurus than Stegosaurus, Carpenter and later Norman suggested redefining Ankylosauria to limit it to the two subclades Nodosauridae and Ankylosauridae ...
Skull of first known ankylosaurid specimen, belonging to Ankylosaurus. Barnum Brown and Peter Kaisen discovered the first ankylosaurid genus, Ankylosaurus, in 1906 in the Hell Creek Beds in Montana. [4] The fossil material they found was a portion of the skull, two teeth, some vertebrae, a distorted scapula, ribs and more than thirty osteoderms ...
Zuul is a genus of herbivorous ankylosaurine dinosaur from the Campanian Judith River Formation of Montana.The type species is Zuul crurivastator.It is known from a complete skull and tail, which represents the first ankylosaurin known from a complete skull and tail club, as well as the most complete ankylosaurid specimen thus far recovered from North America.
Artistic skeletal reconstruction of Ankylosaurus (AMNH 5895) by Barnum Brown, 1908, before the tail club was known Artistic restoration of Ankylosaurus magniventris. 1901. F. A. Lucas described the new species Stegosaurus marshi, and later reclassified it as Polacanthus marshi. [12] 1902