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Stegosaurus longispinus was named by Charles W. Gilmore in 1914 based on a fragmentary postcranial skeleton that has largely been lost. [61] [8] It is now the type species of the genus Alcovasaurus, though it has been referred to Miragaia. [62] [61] Stegosaurus madagascariensis from Madagascar is known solely from teeth and was described by ...
Skeletal mount of Stegosaurus. This timeline of stegosaur research is a chronological listing of events in the history of paleontology focused on the stegosaurs, the iconic plate-backed, spike-tailed herbivorous eurypod dinosaurs that predominated during the Jurassic period.
The flora during this time-period was dominated by seasonal small, fast-growing herbaceous plants, which stegosaurids could consume easily if Reichel's reconstruction is accurate. [ 59 ] Mallison (2010) [ 56 ] suggested that Kentrosaurus may have used a tripodal stance on their hindlimbs and tail to double the foraging height from the general ...
Stegosaurus walked on four legs and lived in North America around 150 million years ago during the Jurassic Period. Its fossils were first discovered in the 1870s.
The authors stressed that the only synapomorphy, shared derived trait, supporting the Dacentrurus-Stegosaurus clade was the possession of the long cervical postzygapophyses, and that these are in fact unknown for Dacentrurus itself, so that its close position to Stegosaurus was merely based on the new data provided by the description of ...
Skull of the mount. In 1974, during construction of the Wujiaba dam in Zigong, Sichuan, the remains of a stegosaurian were found.. The type and only species of Tuojiangosaurus, Tuojiangosaurus multispinus, was named and described in 1977 (exactly a hundred years after the naming of Stegosaurus by Othniel Charles Marsh) by Dong Zhiming, Zhou Shiwu, Li Xuanmin and Chang Yijong.
The 150-million-year-old fossil known as "Apex" will be displayed at the American Museum of Natural History starting December 8.
As most dinosaur paleontologists have advocated a shift away from traditional, ranked Linnaean taxonomy in favor of rankless phylogenetic systems, [3] few ranked taxonomies of dinosaurs have been published since the 1980s.