Otoccipital

Skull of Plateosaurus trossingensis in posterior view. Otoccipital is labeled oo.

In some vertebrates, the otoccipital is a composite bone present in the rear of the skull. It is formed from the fusion of the exoccipital and the opisthotics; it forms the rear of the braincase and partial wall of the otic capsule. The fusion is present in most diapsids.[1]

References

  1. ↑ Martínez, Rubén D. F.; Lamanna, Matthew C.; Novas, Fernando E.; Ridgely, Ryan C.; Casal, Gabriel A.; Martínez, Javier E.; Vita, Javier R.; Witmer, Lawrence M. (2016-04-26). "A Basal Lithostrotian Titanosaur (Dinosauria: Sauropoda) with a Complete Skull: Implications for the Evolution and Paleobiology of Titanosauria". PLOS ONE. 11 (4) e0151661. doi:10.1371/journal.pone.0151661. ISSN 1932-6203. PMC 4846048. PMID 27115989.
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