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Plateosaurus is a member of a group of early herbivores known as "prosauropods". [29] The group is not a monophyletic group (thus given in quotation marks), and most researchers prefer the term basal sauropodomorph. [46] [47] Plateosaurus was the first "prosauropod" to be described, [29] and gives its name to the family Plateosauridae as the ...
Later, it was considered an exemplar of Plateosaurus, sometimes being used as reference materials for phylogenetic analyses using its name. However, it actually contains several features with more derived sauropodomorphs, which allowed it to be named as the distinct taxon Tuebingosaurus maierfritzorum in 2022.
Since 1961, at the clay pit of Gruhalde, exploited by Tonwerke Keller, numerous fossils of Plateosaurus have been found. At a somewhat higher layer, in the spring of 2006, amateur paleontologist Michael Fisher discovered the postcranial skeleton of a small theropod. In 2009, the skull was secured.
Plateosauridae is a family of plateosaurian sauropodomorphs from the Late Triassic of Europe, Greenland, Africa and Asia. [1] [2] Although several dinosaurs have been classified as plateosaurids over the years, the family Plateosauridae is now restricted to Plateosaurus, Yimenosaurus, Euskelosaurus, and Issi [3].
His team unearthed 12 Plateosaurus skeletons, employing university students under spartan conditions. His findings were split between Tübingen, the AMNH, and later Yale University. Huene originally theorized that the dinosaurs perished in an arid desert setting but later modified his view to suggest that the animals died of exhaustion near a ...
New skeleton of Plateosaurus, representing the first substantially complete specimen of a juvenile Plateosaurus and the first such specimen with a body size significantly below the known adult size range of this taxon, is described from the Norian Klettgau Formation (Switzerland) by Nau et al. (2020). [191]
A 2005 study indicated that Massospondylus' sister taxon, Plateosaurus, exhibited growth patterns affected by environmental factors. The study indicated that, when food was plentiful or when the climate was favorable, Plateosaurus exhibited accelerated growth. This pattern of growth is called "developmental plasticity".
Mounted skeletons of Tyrannosaurus (left) and Apatosaurus (right) at the AMNH. Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research.