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Temporal range: Middle Triassic, 245–237 Ma
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Order: Protorosauria
Family: Tanystropheidae
Genus: Protanystropheus
Sennikov, 2011
Type species
Protanystropheus antiquus
Huene, 1905 [originally Tanystropheus antiquus])

Thecodontosaurus primus Huene, 1908

Protanystropheus is an extinct genus of tanystropheid protorosaur from the Middle Triassic (Anisian stage) of Poland, Germany, Austria and the Netherlands. It was named by Sennikov in 2011 and the type species is Protanystropheus antiquus. P. antiquus was previously referred to as Tanystropheus antiquus, and was first described in 1908 by German paleontologist Friedrich von Huene.[1]


  1. ^ Sennikov, A. G. (2011). "New tanystropheids (Reptilia: Archosauromorpha) from the Triassic of Europe". Paleontological Journal 45 (1): 90–104. doi:10.1134/S0031030111010151.