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Most of the information known about Stegosaurus comes from the remains of mature animals; more recently, though, juvenile remains of Stegosaurus have been found. One subadult specimen, discovered in 1994 in Wyoming, is 4.6 m (15.1 ft) long and 2 m (6.6 ft) high, and is estimated to have weighed 1.5-2.2 metric tons (1.6-2.4 short tons) [ 36 ...
Original type species of Stegosaurus, it was later discovered to be a nomen dubium [187] Stegosaurus duplex: YPM 1858 [190] Yale Peabody Museum: Tithonian: Brushy Basin Member, Morrison Formation, Wyoming [190] Several vertebrae with a partial pelvis and hind limb [190] Generally considered a junior synonym of S. ungulatus: Stegosaurus ...
Thagomizer on mounted Stegosaurus tail. A thagomizer (/ ˈ θ æ ɡ ə m aɪ z ər /) is the distinctive arrangement of four spikes on the tails of stegosaurian dinosaurs. These spikes are believed to have been a defensive measure against predators. [1] [2] The arrangement of spikes originally had no distinct name.
The massive specimen, named Apex, will be on display at the American Museum of Natural History for four years, the museum said.
According to Madzia et al., Thyreophora is defined as the largest clade containing Ankylosaurus magniventris and Stegosaurus stenops but not Iguanodon bernissartensis and Triceratops horridus. [2] They also defined the less inclusive Eurypoda as "the smallest clade containing Ankylosaurus magniventris and Stegosaurus stenops " to include the ...
The most derived species, like Stegosaurus, Hesperosaurus and Wuerhosaurus, have very large and flat back plates. Stegosaurid plates have a thick base and central portion, but are transversely thin elsewhere. The plates become remarkably large and thin in Stegosaurus. They are found in varying sizes along the dorsum, with the central region of ...
The nearly complete fossilized remains of a stegosaurus fetched $44.6 million at auction Wednesday, Sotheby's said. The fossil, dubbed “Apex,” is considered to be among the most complete ever ...
Apex is the largest and most complete known Stegosaurus skeleton as of 2024, with 254 bones preserved out of approximately 319.It measures 3.4 meters (11 ft) in height and 8.2 meters (27 ft) in length. [1]