Theropod lovers have been spoiled this summer. Shortly after the description of the Romanian raptor with double sickle blades on each foot, comes this one, Concavenator corcovatus, an unusual carcharodontosaurid with a hump on its back and traces of quills on its arms coming from the Early Cretaceous of Spain. see for more details:
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RedVioletPanda Traditional Artist
That's one weird looking theropod. I wonder what the quills would have been functional as, like whiskers or would they have been just a deterent, although I would think it might be for display purposes due to fragility.