Plateosauridae

Plateosauridae is a family of plateosaurian sauropodomorphs from the Late Triassic of Europe, Africa and Asia.[1][2] Although several dinosaurs have been classified as plateosaurids over the years, the family Plateosauridae is now restricted to Plateosaurus. In another study, Yates (2003) sunk Sellosaurus into Plateosaurus (as P. gracilis).

Plateosaurids
Temporal range: Late Triassic, 225–209 Ma
Mounted skeletons of Plateosaurus engelhardti from the Trossingen Formation of southern Germany, mounted in the Institute for Geosciences Tübingen
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Suborder: †Sauropodomorpha
Clade: †Plateosauria
Family: †Plateosauridae
Type species
†Plateosaurus engelhardti
von Meyer, 1837
Genera
Synonyms
  • Sellosauridae Huene, 1908
  • Prosauropoda Huene, 1920

Classification

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.[3] 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,[3] is a synonym of Plateosauridae as both contain the same taxa.[2] Plateosauridae was recovered as a monophyletic group in the large phylogenetic analysis of early dinosaurs that was presented by Baron, Norman & Barrett (2017) in the journal Nature. In this analysis, the group was found to be sister to Massopoda within the clade Plateosauria.[4]

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References
  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. 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. Sereno, P.C. (1998). "A rationale for phylogenetic definitions, with applications to the higher-level taxonomy of Dinosauria". Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen. 210: 41–83.
  4. Baron, M.G., Norman, D.B., and Barrett, P.M. (2017). A new hypothesis of dinosaur relationships and early dinosaur evolution. Nature, 543: 501–506. doi:10.1038/nature21700
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