Basal sauropodomorphs.

Isometric dorsal and lateral views of the taxa used in the present study. The extent of the neck analyzed for surface area is highlighted with the dark grey colour on each model view. (A) Shunosaurus lii. (B) Patagosaurus fariasi. (C) Mamenchisaurus hochuanensis. (D) Mamenchisaurus youngi. (E) Omeisaurus junghsiensis. See Table 1 for sources used to generate the models.