1852 C. Lyell (ed. 4) 31 The mouths of a large proportion of the marine univalves have these notches or canals and almost all such species are carnivorous; whereas nearly all testacea having entire mouths, are plant-eaters.
1927 J. B. S. Haldane & J. S. Huxley iv. 112 Hoofed animals and other plant-eaters.
1994 10 Nov. (OnLine section) 11/3 The commonest dinosaur in the region was a plant-eater called protoceratops.