The taxonomic and phylogenetic position of the Plesiosauroidea from the Lower Jurassic Posidonia Shale of south-west Germany

F. Grossmann

2007

Article

Palaeontology 50(3):545-564

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Taxa discussed in this work:

• Hydrorion

Taxonomy:

• Seeleyosaurus holzmadensis belongs to Seeleyosaurus guilelmiimperatoris - Grossmann (2007)