[N] 2003 Lamaceratops tereschenkoi
20031227
Lamaceratops tereschenkoi along with Platyceratops tatarinovi, Bagaceratops rozhdestvenskyi, and Breviceratops kozlowskii are assigned to the family Bagaceratopidae fam. nov. characterized by the fused nasals; the presence of the nasal horn and large subnarial fenestrae posterior to the nares between the premaxilla, maxilla, and nasal; and, pro- bably, the development of undulating ornamentation on the surface of the egg shell. The main evolutionary stages of Asian neoceratopsians are discussed.