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Dinosaur discovered with its last meal

Με δημοσίευση της στην επιθεώρηση «Science Advances» διεθνής ομάδα επιστημόνων παρουσιάζει μια πολύ σημανκή παλαιοντολογική ανα. In 2009, the fossils of a Gorgosaurus libratus dinosaur, a species of theropod tyrannosaur related to the king of dinosaurs, Tyrannosaurus rex, were discovered.

It is a genre existed before T.rex made its appearance, and members of this species had similar anatomical and other characteristics to the king of dinosaurs. For this and every find on the dinosaurs Gorgosaurus libratus sheds light according to experts on the existence, evolution and manner s of T.rex which is a permanent target of study by the scientific community.

The fossils of Gorgosaurus libratus were discovered in the Alberta region of Canada, which is a paleontological paradise since fossils and dinosaur finds are constantly being discovered there. Initial studies of the Gorgosaurus libratus fossils had shown that they belonged to a juvenile member of the species that lived about 75 million years ago and was estimated to be between 5-7 years old when it died.

Η ερευνητική ομάδα που μελέτησε εκ νέου τα απολιθώματα εντόπισε στο στομάχι του νεαρού δεινόσαυρου δύο μικρών ζώων που οι εκτιμούν ότι ήταν δύο δεινόσαυροι βρεφικής ηλικίας (όχι μεγαλύτερη από 12 μήνες) που είχαν μέγεθος παρόμοιο με αυτό μιας γαλοπούλας και θα είχαν αναπτύξει εξελικτικά δυνατότητα να κινούνται με μεγάλη ταχύτητα για να προστατεύονται από τους μεγάλους σε μέγεθος και δυσκίνητους θηρευτές.

The findings so far on adult carnivorous dinosaurs indicated that they preyed on large herbivorous dinosaurs. But there was a gap in how young carnivorous dinosaurs that had not yet developed the size and ability to hunt large herbivores were fed.

It appears that the small carnivorous dinosaurs Gorgosaurus libratus hunted small dinosaurs, suggesting that their contemporaries Tyrannosaurus rex did the same. The find is very important since it is the first time that the meal of a carnivorous dinosaur has been found and offers various kinds of important information.

The researchers found that the young Gorgosaurus libratus had a significant time gap between its extinction and consumption of the two babies that the researchers estimate belonged to the species Citipes elegans.


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