An unusual marine crocodyliform from the Jurassic-Cretaceous boundary of Patagonia.

@article{Gasparini2006AnUM,
  title={An unusual marine crocodyliform from the Jurassic-Cretaceous boundary of Patagonia.},
  author={Zulma Gasparini and Diego Pol and Luis A Spalletti},
  journal={Science},
  year={2006},
  volume={311 5757},
  pages={70-3}
}
Remains of the marine crocodyliform Dakosaurus andiniensis from western South America reveal a lineage that drastically deviated from the skull morphology that characterizes marine crocodyliforms. The snout and lower jaw are extremely robust, short, and high and only bear a few large teeth with serrated edges (resembling those of some terrestrial carnivorous archosaurs). This unusual morphology contrasts with the long and gracile snout and lower jaws bearing numerous teeth, which are present in… CONTINUE READING

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