Name: Altispinax ‭(‬High spine‭)‬.
Phonetic: Al-tee-spy-nax.
Named By: Friedrich von Huene‭ ‬-‭ ‬1923.
Synonyms: Megalosaurus dunkeri.
Classification: Chordata,‭ ‬Reptilia,‭ ‬Dinosauria,‭ ‬Saurischia,‭ ‬Theropoda.
Species: A.‭ ‬dunkeri‭ (‬type‭)‬.
Diet: Carnivore.
Size: Unknown.
Known locations: Germany,‭ ‬Niedersachsen‭ ‬-‭ ‬Obernkirchen Sandstein.
Time period: Barremian of the Cretaceous.
Fossil representation: Teeth.

       Originally described as a species of Megalosaurus in‭ ‬1884,‭ ‬Friedrich von Huene renamed the fossils of teeth and vertebrae to Altispinax in‭ ‬1923.‭ ‬This name reflects the size of the neural spines of the vertebrae,‭ ‬fossils that were later attributed to the genus after it was established upon the description of teeth.‭ ‬However even later study has revealed that these vertebrae actually‭ ‬belonged to a different high spined dinosaur called Becklespinax.‭ ‬With the loss of this material,‭ ‬Altispinax is once again known only from teeth,‭ ‬with the fossils in question being considered by many palaeontologists to not be diagnostic enough to establish a genus.


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