Plateosauridae

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Plateosaurids
Temporal range: Late Triassic, 225–203Ma
Plateosaurus Skelett 2.jpg
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Suborder: Sauropodomorpha
Clade: Plateosauria
Family: Plateosauridae
Type species
Plateosaurus engelhardti
von Meyer, 1837
Synonyms
  • Sellosauridae Huene, 1908
  • Prosauropoda Huene, 1920
Mounted skeletons of Plateosaurus engelhardti from the Trossingen Formation of southern Germany, mounted in the Institute for Geosciences Tübingen.

Plateosauridae is a family of plateosaurian sauropodomorphs.[1][2] Plateosaurids were early sauropodomorph dinosaurs which existed in Asia, Europe and South America during the Late Triassic period. Although several dinosaurs have been classified as plateosaurids over the years, a 2007 study by Adam M. Yates found only Plateosaurus and Unaysaurus valid plateosaurids. In another study, Yates (2003) merged Sellosaurus into Plateosaurus (as P. gracilis). In 2011, Jaklapallisaurus, a plateosaurid from India was named.[3]

Classification[edit]

Plateosauridae, which was first named by Othniel Charles Marsh in 1895, is a stem-based taxon and it was defined by Sereno, 1998 as all animals more closely related to Plateosaurus engelhardti than to Massospondylus carinatus.[4] Galton and Upchurch, 2004 proposed the following definition: all animals more closely related to Plateosaurus engelhardti than to Massospondylus carinatus and Yunnanosaurus huangi. Yates, 2007 defined it as all animals more closely related to Plateosaurus engelhardti than to Diplodocus longus.[2] Recent cladistic analyses suggest that the clade Prosauropoda, which was named by Huene in 1920 and was defined by Sereno, 1998 as all animals more closely related to Plateosaurus engelhardti than to Saltasaurus loricatus,[4] is a synonym of Plateosauridae as both contain the same taxa.[2][3]

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References[edit]

  1. ^ Yates, Adam M. (2003). "Species taxonomy of the sauropodomorph dinosaurs from the Löwenstein Formation (Norian, Late Triassic) of Germany". Palaeontology 46 (2): 317–337. doi:10.1111/j.0031-0239.2003.00301.x. 
  2. ^ a b c Yates, Adam M. (2007). "The first complete skull of the Triassic dinosaur Melanorosaurus Haughton (Sauropodomorpha: Anchisauria)". In Barrett & Batten (eds.), Evolution and Palaeobiology: 9–55. 
  3. ^ a b Fernando E. Novas, Martin D. Ezcurra, Sankar Chatterjee and T. S. Kutty (2011). "New dinosaur species from the Upper Triassic Upper Maleri and Lower Dharmaram formations of central India". Earth and Environmental Science Transactions of the Royal Society of Edinburgh 101 (3–4): 333–349. doi:10.1017/S1755691011020093. 
  4. ^ a b Sereno, P.C. (1998). "A rationale for phylogenetic definitions, with applications to the higher-level taxonomy of Dinosauria". Neues Jahrbuch fur Geologie und Palaontologie: Abhandlungen 210: 41–83. 

External links[edit]