In this case, key evidence came from a close examination of the teeth, which revealed Eoraptor had the same spatulate, or leaf-shaped, teeth as the giant sauropods.
From the newscientist.com
The leaf shape depends on the species, but is usually roughly obovate, spatulate, or linear.
From the en.wikipedia.org
Its foliage is elegantly gray blue, smooth and spatulate and is further distinguished from other aloe species by the absence of toothy leaf edges.