This vetrebra of a Pterosaur ?Ornithodesmus spec. was found in the Wealden layers (jurassic-cretaceous border, Hasting Beds) of East Sussex, England. The age of this fossil is about 135 mio. years.
The bone is unprepped and is still embedded in its original nodule.
The vertebra measures about 5 cm. The stone is unbroken, it measures about 7 x 6 x 4 cm.
Extremely rare item!