June 21 , 2016

The Polish-Mongolian Palaeontological Expeditions collected many partial and complete dinosaur skeletons from the Nemegt Formation of Mongolia between 1964 and 1971. Under the leadership of Zofia Kielan-Jaworowska, the specific localities of fifty of these quarries were recorded on published maps. In recent years, more than half of these quarries have been relocated for the collection of additional data and even missing parts of some specimens. They have been included in a database that contains more than six times the original number of specimens. The larger, more precise database will ultimately be useful for identifying and interpreting the stratigraphic and geographic distributions of specific dinosaur taxa. However, at this stage it only confirms a preservational bias that favors the recovery ofspecimens of the tyrannosaurid Tarbosaurus with greater frequency than any herbivorous dinosaurs.

Philip J. Currie (2016)
Dinosaurs of the Gobi: Following in the footsteps of the Polish-Mongolian Expeditions.
Palaeontologia Polonica 67: 83–100.
doi: 10.4202/pp.2016.67_083