亚历士龙(属名:Alexeyisaurus)是疑似蛇颈龙类的一个已灭绝属,化石发现于俄罗斯法兰士约瑟夫地群岛维尔切克地岛(英语:WilczekLand)晚三叠世(诺利阶中早期)的维尔切克组(英语:Wilczek Formation)。该属由A. G. Sennikov与M. S. Arkhangelsky于2010年(英语:2010
Typical Jurassic Sauropterygian from the Upper Triassic of WilczekLand (Franz Josef Land, Arctic Russia). Paleontological Journal. 2010, 44 (5): 567–572
Typical Jurassic Sauropterygian from the Upper Triassic of WilczekLand (Franz Josef Land, Arctic Russia). Paleontological Journal. 2010, 44 (5): 567–572