Swimming dinosaur found in Morocco

@article{Witze2014SwimmingDF,
  title={Swimming dinosaur found in Morocco},
  author={Alexandra Witze},
  journal={Nature},
  year={2014}
}
Sail-backed reptile ruled an ancient river system. 

References

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Semiaquatic adaptations in a giant predatory dinosaur
TLDR
Adaptations for a semiaquatic lifestyle in the dinosaur Spinosaurus aegyptiacus are described, including retraction of the fleshy nostrils to a position near the mid-region of the skull and an elongate neck and trunk that shift the center of body mass anterior to the knee joint. Expand
Oxygen isotope evidence for semi-aquatic habits among spinosaurid theropods
TLDR
It is concluded that spinosaurs had semiaquatic lifestyles, i.e., they spent a large part of their daily time in water, like extant crocodilians or hippopotamuses, and sheds light on niche partitioning between large predatory dinosaurs. Expand
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  • Science
  • 2014