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Scientific classification

Hydrorion (meaning 'water hunter') is an extinct genus of plesiosaur. It was found in Jurassic formations in Germany. The only species is Hydrorion brachypterygius.

PaleoDB taxon number: 150184

Full reference: F. Grossmann. 2007. The taxonomic and phylogenetic position of the Plesiosauroidea from the Lower Jurassic Posidonia Shale of south-west Germany. Palaeontology 50(3):545-564

Parent taxon: Plesiosauridae according to H. F. Ketchum and R. B. J. Benson 2010

Sister taxa: LusonectesPlesiosaurus neogaeusTermatosaurusThaumatosaurus

Subtaxa: none

Ecology: aquatic carnivore


  1. Ketchum HF, Benson RBJ. Global interrelationships of Plesiosaur (Reptilia, Sauropterygia) and the pivotal role of taxon sampling in determining the outcome of phylogenetic analyses. Biological Reviews.

See also

  1. [1]F. Grossman 2007
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