Tanystropheus had a neck three times the length of its body, and a new analysis of its skull suggests it lived in the sea, where it ambushed prey
Source:
https://www.newscientist.com/article/2251211-bizarre-fossil-with-an-incredibly-long-neck-was-a-marine-hunter/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home