Pessopteryx

Pessopteryx; Temporal range: Early Triassic, Olenekian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	†Ichthyosauria
Family:	†Merriamosauridae
Genus:	†Pessopteryx; Wiman, 1910
Species
	†P. nisseri Wiman, 1910 (type); †P. pinguis Wiman, 1910 (type);
Synonyms
	Merriamosaurus? Maisch & Maske, 2002; Omphalosaurus niesseri Wiman, 1910; Rotundopteryx Maisch & Matzke, 2000 non Duckhouse, 1999;

Pessopteryx is an extinct genus of ichthyosaur from the Early Triassic (Olenekian) of Svalbard, Norway.^[1] The genus and two species, P. nisseri and P. pinguis, were named in 1910 by Carl Wiman.^[2] Its synonyms are Omphalosaurus nisseri, Merriamosaurus (possibly a separate genus) and Rotundopteryx. The genus Pessopteryx was transferred to the genus Grippia in 1929 but Pessopteryx was later re-separated from Grippia.^[1]

References[]

^ ^a ^b M. W. Maisch. (2010). Phylogeny, systematics, and origin of the Ichthyosauria - the state of the art. Palaeodiversity 3:151-214.
^ Wiman. C. (1910) Ichthyosaurs from the Triassic Spitzbergens [in Swedish]. Bulletin of the Geological Institution of the University of Upsala 10: 125–148.

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[Maisch2010-1] M. W. Maisch. (2010). Phylogeny, systematics, and origin of the Ichthyosauria - the state of the art. Palaeodiversity 3:151-214.

[2] Wiman. C. (1910) Ichthyosaurs from the Triassic Spitzbergens [in Swedish]. Bulletin of the Geological Institution of the University of Upsala 10: 125–148.

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