Maybe someone correlated *Q.* to *Nemegtosaurus*?
of tracks in the paper, but I haven't read it carefully so far.
M. F. Ivakhnenko, S. M. Kurzanov: Geological structure and age of Udan-Sair and Shara-Tsav localities, 100 -- 105 in Ye. N. Kurochkin (responsible editor): Fossil reptiles and birds of Mongolia. The joint Soviet-Mongolian palaeontological expedition transactions 34, Nauka 1988 (in Russian with a very short English summary; the Mongolian table of contents spells Üüden sayr and Shar tsav).
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