Alexeyisaurus

Alexeyisaurus is an extinct genus of possible plesiosaur known from the upper Triassic (lower-middle Norian age) of Wilczek Formation, Wilczek Land, of Franz Josef Land, Russia.[1] It was first named by A. G. Sennikov and M. S. Arkhangelsky in 2010 and the type species is Alexeyisaurus karnoushenkoi.[1] While considered an elasmosaur in the initial publication It has been described as a "partial, poorly preserved, and undiagnostic sauropterygian skeleton" in subsequent publications.[2]

Alexeyisaurus
Temporal range: Late Triassic, 210 Ma
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Superorder: Sauropterygia
Genus: Alexeyisaurus
Sennikov & Arkhangelsky, 2010
Species:
A. karnoushenkoi
Binomial name
Alexeyisaurus karnoushenkoi
Sennikov & Arkhangelsky, 2010

See also

References

  1. A. G. Sennikov, M. S. Arkhangelsky (2010). "On a Typical Jurassic Sauropterygian from the Upper Triassic of Wilczek Land (Franz Josef Land, Arctic Russia)". Paleontological Journal. 44 (5): 567–572. doi:10.1134/S0031030110050126.
  2. Wintrich, Tanja; Hayashi, Shoji; Houssaye, Alexandra; Nakajima, Yasuhisa; Sander, P. Martin (2017-12-01). "A Triassic plesiosaurian skeleton and bone histology inform on evolution of a unique body plan". Science Advances. 3 (12): e1701144. doi:10.1126/sciadv.1701144. ISSN 2375-2548.


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