Oxalaia is a huge Brazilian spinosaurid from the Late Cretaceous Period.
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Oxalaia belongs to clade with theropod and crocodilian features.
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Reconstructed replicas of the holotype vertebrae or “neural spines” .
Side view of Oxalaia showcasing its limbs and curved claws.
Reconstructed foot of Oxalaia. Like other theropods, this dinosaur mainly moved through its hind limbs.
Flesh model of S. aegyptiacus used for a 2022 buoyancy study.
Restoration of Spinosaurus with contemporaneous carnivores.
Restoration of Spinosaurus attacking a fish.
Sculpture of Oxalaia securing a kill at Museum of Natural Science, Barcelona.
Size of various spinosaurids (Oxalaia in green, third from left) compared with a human.
Oxalaia was an apex predator in its territory.
Oxalaia spent most of its time near bodies of water.
An Oxalaia as seen in ARK: Survival Evolved.