A PERFECTLY-INTACT piece of a sauropod spine dating back around 145 million years has been unearthed in the province of Teruel – and even though it is five metres (16'6”) long, it is only a small section of the entire backbone.
The fossil discovered near the village of Camarillas – which is known to be a hotbed of dinosaur remains – is made up of 15 vertebrae, and this huge articulated string of bones is only the creature's neck.
In fact, as yet, other than being identified as a giant sauropod, the exact species has not been determined and may even be one not yet documented.
Palaeontologists from Zaragoza University's 'Aragosaurus-IUCA' unit, along with the Miquel Crusafont Catalunya Palaeontology Institute (ICP), jointly led by post-PhD researcher Dr Diego Castanera and Zaragoza historian José Ignacio Canudo, made up the excavation team which found the massive piece of ancient reptile anatomy.
Dr Castanera says each vertebra is at least 30 centimetres (a foot) long and a metre (3'3”) high and, subject to alternative information arising whilst restoring the skeleton, it is thought the original dinosaur may have been over 25 metres (82'6”) long.
This means that as well as being one of the best-preserved remains discovered in recent history, it could have belonged to the biggest dinosaur known to walk the earth – or, at least, the part of the earth that is now the continent of Europe.
Also, the sheer size of the fossil meant extracting it was an extremely complex operation.
They had to pour liquid plaster of Paris into the dig around the vertebrae to cushion them, and the structure had to be split into two to lift out as it was too heavy to do so otherwise without mechanical means that would have presented a major risk of damage to it.
After this, the team had to build an iron frame to fashion a giant cardboard box around, which they lowered the neck-bone into, packed with polystyrene loops for protection.
Finally, once out of the ground and properly padded to prevent breakage, the fossil was transported to Camarillas village where it is in safe storage awaiting restoration and scientific examination.
The detailed analyses due to be carried out on the finding will almost certainly reveal new information about giant dinosaurs, and the team is expecting to hear that a complete 'new' species has been discovered.
Camarillas' dinosaur dig was unearthed years ago totally by accident by a local resident out walking, and so far, over 80 fossils have been found there, dug up and restored, most of which were parts of sauropods.
Other findings there have included teeth belonging to theropods, a carnivorous species of dinosaur, and to crocodiles, and fossilised remains of plants.
The artefacts in the dig date back to the cusp between the Jurassic and Cretaceous eras, around 145 million years ago.
In the above picture, taken by Dr Diego Castanera, the team is sitting alongside the complete excavated bone, giving an idea of its incredible size.
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