As is visible on the picture, the centrum has deeply concave lower, left and right surfaces. Other ctenosauriscids such as Arizonasaurus and Ctenosauriscus possessed characteristically large sails that were formed from elongate neural spines, and the shape of the neural spine is also similar.
On the picture, it is clear that the centrum has deeply concave lower, left, and right surfaces. Other ctenosauriscids such as Arizonasaurus and Ctenosauriscus had large sails with elongated neural spines, and these spines had a similar shape.