Université de Fribourg

A Jurassic stem pleurodire sheds light on the functional origin of neck retraction in turtles

Anquetin, Jérémy ; Tong, Haiyan ; Claude, Julien

In: Scientific Reports, 2017, vol. 7, p. 42376

Modern turtles are composed of two monophyletic groups, notably diagnosed by divergent neck retraction mechanisms. Pleurodires (side-necked turtles) bend their neck sideways and protect their head under the anterior margin of the carapace. Cryptodires (hidden-necked turtles) withdraw their neck and head in the vertical plane between the shoulder girdles. These two mechanisms of neck...

Bibliothèque cantonale jurassienne

Middle Jurassic turtles from southern Thailand

Tong, Haiyan ; Buffetaut, Eric

In: Geological magazine, 2002, vol. 139, no. 6, p. 687