Pessopteryx_nisseri

<i>Pessopteryx</i>

Pessopteryx

Extinct genus of reptiles


Pessopteryx is an extinct genus of ichthyosaur from the Early Triassic (Olenekian) of Svalbard, Norway.[1] The genus originally contained four species, P. nisseri, P. arctica, P. pinguis, and P. minor, which were named in 1910 by Carl Wiman.[2][3] Only P. nisseri is still considered valid; P. arctica and P. pinguis are considered nomina dubia while P. minor was reassigned to the tenuous genus Isfjordosaurus.[3] Omphalosaurus nisseri, Merriamosaurus hulkei, and Rotundopteryx hulkei are all junior synonyms of P. nisseri.[1]

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References

  1. Maisch, M. W. (2010). "Phylogeny, systematics, and origin of the Ichthyosauria – the state of the art" (PDF). Palaeodiversity. 3: 151–214.
  2. Wiman, C. (1910). "Ichthyosaurier aus der Trias Spitzbergens" [Ichthyosaurs from the Triassic of Spitzbergen] (PDF). Bulletin of the Geological Institution of the University of Upsala (in German). 10: 125–148.



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