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 PreꞒ Ꞓ O S D C P T J K Pg N ↓
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

• Paleontology portal

• Timeline of plesiosaur research
• List of plesiosaur genera