The species was named and described by Hou Lianhai in 1997.[3] The genus name comes from the Latin words largus, "large" and rostrum, "beak", and the specific name means "six-toothed" from Latin sex and dens.
References
^Zhou Z. and Wang Y. (2010). "Vertebrate diversity of the Jehol Biota as compared with other lagerstätten." Science China: Earth Sciences, 53(12): 1894–1907. doi:10.1007/s11430-010-4094-9[1]Archived 2013-10-29 at the Wayback Machine
^He, H.Y., Wang, X.L., Zhou, Z.H., Wang, F., Boven, A., Shi, G.H., Zhu R.X. (2004). "Timing of the Jiufotang Formation (Jehol Group) in Liaoning, northeastern China, and its implications". Geophysical Research Letters31(13): 1709.
^ abcHou, Lianhai (1997) "Mesozoic Birds of China" Institute of Vertebrate Paleontology and Paleoanthropology, Beijing, China. Published by the Phoenix Valley Provincial Aviary of Taiwan. In Chinese, translated by Will Downs, Bilby Research Center, Northern Arizona University, January, 2001.