Erketu is also diagnosed by bifurcate anterior cervical neural spines, another unusual trait for a titanosauriform. The preserved cervicals include the atlas, axis and C3 to C9, however, the sixth is missing, giving a total of eight preserved cervical vertebrae.
Erketu exhibits bifurcate anterior cervical neural spines, a rare trait among titanosauriforms.  The preserved cervical vertebrae consist of the atlas, axis, and C3 through C9, with the sixth vertebra being absent, leading to a total of eight preserved cervical vertebrae.