Here ’s a overnice counterbalance for our former report onCarnotaurus ’s wimpy arm – it turn out any shortcomings in its arms were more than made up for with its topnotch - strong bum , which made it one of the fastest hunters around .
https://gizmodo.com/carnotaurus-had-the-most-ridiculously-weak-dinosaur-arm-5843614
aboriginal to South America in the Jurassic and Cretaceous periods , Carnotaurus was a dire predatory animal that value around twenty - five feet long . Its arms were more or less rudimentary , but its razor - knifelike teeth more than compensated for this deficiency . And now inquiry from University of Alberta fossilist Scott Persons has divulge another objet d’art of the puzzle : Carnotaurus had one ridiculously potent tail .

Tail bone fogy uncover that a particular muscle known as the caudofemoralis was attached by a tendon to the upper wooden leg off-white . When Carnotaurus moved its tail , it flexed this musculus , and in crook pull back on the legs . This have them a much stronger , fast footstep than would otherwise have been possible , giving Carnotautus unnaturally fearsome stride .
Persons ’s late enquiry has suggest a similar arrangement in the stern of T. Rex , but Carnotaurus appear to have received the most extreme cost increase , as the University of Alberta ’s Brian Murphy explains :
someone ’ examination of the tail of Carnotaurus demo that along its length were pairs of marvelous rib - comparable bones that interlock with the next pair in railway line . Using 3 - D reckoner models , somebody recreated the tail heftiness of Carnotaurus . He found that the unusual tail rib supported a Brobdingnagian caudofemoralis muscle . The interlocked bone social organisation along the dinosaur ’s tail did present one drawback : the tail was rigid , making it hard for the Orion to make quick , fluid turns . mortal say that what Carnotaurus render up in manoeuvrability , it made up for in straight leading speed . For its size , Carnotaurus had the bombastic caudofemoralis muscle of any know animate being , sustenance or out .

Via theUniversity of Alberta .
CretaceousDinosaurdinosaursFossilJurassicPaleontologyScience
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