Makovicky, Peter J.; Norell, Mark.; Mongolian-American Museum Paleontological Project.; Mongolyn Shinzhlçekh Ukhaany Akademi.
(New York, NY : American Museum of Natural History, 2006)
"A new basal neoceratopsian taxon from the eastern Gobi Desert is described. Yamaceratops dorngobiensis, tax. nov., is probably of late Early Cretaceous age, and occupies a phylogenetic position intermediate between ...