Name: Lagenanectes ‭(‬Leine swimmer‭)‬.
Phonetic: Lah-gen-ah-nek-teez.
Named By: Sven Sachs,‭ ‬Jahn J.‭ ‬Hornung‭ & ‬Benjamin P.‭ ‬Kear‭ ‬-‭ ‬2017.
Classification: Chordata,‭ ‬Reptilia,‭ ‬Sauropterygia,‭ ‬Plesiosauria,‭ ‬Elasmosauridae.
Species: L.‭ ‬richterae‭ (‬type‭)‬.
Diet: Piscivore.
Size: Roughly estimated at about‭ ‬8‭ ‬meters long.
Known locations: Germany.
Time period: Hauterivian/possibly Barremian Cretaceous.
Fossil representation: Partial skull and partial post cranial skeletal remains.

       The fossils of Lagenanectes languished in a museum for over fifty years before they were finally named as belonging to a distinct genus of plesiosaur.‭ ‬Lagenanectes is a genus of what is known as an elasmosaurid plesiosaur.‭ ‬Elasmosaurids were notably different to the earlier plesiosaurs of the Jurassic in that they had necks that were in proportion to their body,‭ ‬much longer than their ancestors.‭ ‬The identification of such a plesiosaur from a Hauterivian/Barremian aged fossil deposit means that Lagenanectes is one of the oldest elasmosaurid plesiosaurs that we know about.‭ ‬Most other elasmosaurid plesiosaur are known from later periods in the Cretaceous.‭

Further reading
-‭ ‬A new basal elasmosaurid‭ (‬Sauropterygia:‭ ‬Plesiosauria‭) ‬from the Lower Cretaceous of Germany.‭ ‬-‭ ‬Journal of Vertebrate Paleontology.‭ ‬-‭ ‬Sven Sachs,‭ ‬Jahn J.‭ ‬Hornung‭ & ‬Benjamin P.‭ ‬Kear‭ ‬-‭ ‬2017.


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