© Zoological Institute, St. Petersburg, 2007

A new replacement name for Diceratops Lull, 1905 (Reptilia: : )

A.S. Ukrainsky

Ukrainsky, A.S. 2007. A new replacement name for Diceratops Lull, 1905 (Reptilia: Or- nithischia: Ceratopsidae). Zoosystematica Rossica, 16(2): 292.

A new replacement name Nedoceratops is proposed for Diceratops Lull, 1905, a junior homonym of Diceratops Förster, 1869 (Insecta, ).

A.S. Ukrainsky, Department of Entomology, Faculty of Biology, Moscow State University, Leninskie gory 1, Moscow 119991, Russia. E-mail: [email protected]

Nedoceratops nom. n. References

Diceratops Lull in Hatcher, 1905: 417, nom. praeocc. Dodson, P. 1996. The horned – a natural history. (non Diceratops Förster, 1869 [Hymenoptera: Ich- Princeton University Press. 346 pp. neumonidae: Banchinae: Atrophini], now subgenus Dodson, P. & Currie, P.J. 1990. Neoceratopsia. In: of Syzeuctus). Weishampel, D.B., Dodson, P. & Osmólska, H. (Eds.), The Dinosauria: 593-618. University of California Press, Berkeley, Los Angeles, Oxford. Type species: Diceratops hatcheri Lull, 1905. Dodson, P., Forster, C.A. & Sampson, S.D. 2004. Cerato- Etymology. The name Nedoceratops consists of psidae. In: Weishampel, D.B., Dodson, P. & Osmólska, the Russian prefi x “nedo” meaning insuffi ciency H. (Eds.), The Dinosauria (second edition): 494-513. and the generic name Ceratops Marsh, 1888. University of California Press, Berkeley. Förster, A. 1869. Synopsis der Familien und Gattungen Gender: masculine. der Ichneumonen. Verhandl. Naturhist. Ver. Preuss. Rheinlande und Westfalens, 25, (1868): 135-221. Nedoceratops hatcheri (Lull, 1905), comb. n. Forster, C.A. 1996. Species resolution in : cladistic and morphometric approaches. J. Vertebrate Paleontol., 16(2): 259-270. Diceratops hatcheri Lull in Hatcher, 1905: 417. Hatcher, J.B. 1905. Two new from the Laramie Diceratops hatcheri: Lull, 1905. of Converse County, Wyoming. Amer. J. Sci. (Ser. 4), Triceratops (Diceratops) hatcheri: Lull, 1933. 20: 413-419. Triceratops horridus: Dodson & Currie, 1990. Lull, R.S. 1905. Restoration of the horned Dicera- Triceratops (Diceratops) hatcheri: Dodson, 1996. tops. Amer. J. Sci. (Ser. 4), 20: 420-422. Diceratops hatcheri: Forster, 1996. Lull, R.S. 1933. A revision of the Ceratopsia or horned di- Diceratops hatcheri: Dodson et al., 2004. nosaurs. Mem. Peabody Mus. Natur. Hist., 3(3): 1-175. Received 12 November 2007