Oxalaia kellner

Oxalia was a large sailed Spinosaurid that lived during the mid Cretaceous in Brazil.

Biology
Oxalaia is a close relative of Spinosaurus, and is sometimes considered a species or subspecies of Spinosaurus. Although there is no evidence for a sail or hump, it is highly likely due to its relatives having them, including Spinosaurus, Ichthyovenator, Suchomimus, and Irritator to name a few. Oxalaia probably hunted mostly Aquatic prey, as all of it's relatives did. Oxalaia is the largest theropod from Brazil, reaching a length of around 39-46 feet, competing with Saurophaganax and Giganotosaurus for second place. Unlike most Spinosaurids, Oxalaia's teeth are not serrated.

History
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