Name: Allkaruen ‭(‬Ancient brain‭)‬.
Phonetic: All-kah-ru-en.
Named By: L.‭ ‬Codorni˙,‭ ‬A.‭ ‬P.‭ ‬Carabajal,‭ ‬D.‭ ‬Pol,‭ ‬D.‭ ‬Unwin‭ & ‬O.‭ ‬W.‭ ‬M.‭ ‬Rauhut‭ ‬-‭ ‬2016.
Classification: Chordata,‭ ‬Reptilia,‭ ‬Pterosauria,‭ ‬Novialoidea,‭ ‬Breviquartossa.
Species: A.‭ ‬koi‭ (‬type‭)‬.
Diet: Piscivore‭?‬/Insectivore‭?
Size: Unavailable.
Known locations: Argentina‭ ‬-‭ ‬Ca˝adˇn Asfalto Formation.
Time period: Toarcian to Bathonian of the Jurassic.
Fossil representation: Partial skull including mandible and brain case.‭ ‬Two cervical‭ (‬neck‭) ‬vertebrae are also known.

       Though only known from a few fragmentary fossils,‭ ‬Allkaruen has already proven itself to be a very interesting pterosaur genus.‭ ‬Allkaruen is regarded as being intermediate in form between the more primitive rhamphorhynchid pterosaurs,‭ ‬and the more advanced pterodactyloid pterosaurs.‭ ‬Allkaruen also shows us that only certain parts of the body would change while others remained the same.‭ ‬Other earlier named genera such as Darwinopterus also demonstrated this piecemeal form of evolution,‭ ‬and Allkaruen now shows us that pterosaurs were probably evolving in this way ever since they first appeared on the planet.

Further reading
-‭ ‬A Jurassic pterosaur from Patagonia and the origin of the pterodactyloid neurocranium.‭ ‬-‭ ‬PeerJ.‭ ‬4.‭ ‬-‭ ‬L.‭ ‬Codorni˙,‭ ‬A.‭ ‬P.‭ ‬Carabajal,‭ ‬D.‭ ‬Pol,‭ ‬D.‭ ‬Unwin‭ & ‬O.‭ ‬W.‭ ‬M.‭ ‬Rauhut‭ ‬-‭ ‬2016.


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