[PDF][PDF] A new oviraptorosaur [Dinosauria, Theropoda] from Mongolia: the first dinosaur with a pygostyle

R Barsbold, H Osmólska, M Watabe… - Acta …, 2000 - bibliotekanauki.pl
R Barsbold, H Osmólska, M Watabe, PJ Currie, K Tsogtbaatar
Acta Palaeontologica Polonica, 2000bibliotekanauki.pl
A description of Nomingia gobiensis gen. et sp. n., the first known dinosaur with a pygostyle,
the structure known so far only in birds, is presented. The specimen comes from the Late
Cretaceous strata at Bugin Tsav, Trans-Altai Gobi, Mongolia. N. gobiensis is assigned within
the Oviraptorosauria based on the following characters: pneumatized caudal vertebrae,
posteriorly concave ischium, and deep cervicodorsal hypapophyses. This specimen has
been previously partially described without being formally named (Barsbold et al. 2000).
A description of Nomingia gobiensis gen. et sp. n., the first known dinosaur with a pygostyle, the structure known so far only in birds, is presented. The specimen comes from the Late Cretaceous strata at Bugin Tsav, Trans-Altai Gobi, Mongolia. N. gobiensis is assigned within the Oviraptorosauria based on the following characters: pneumatized caudal vertebrae, posteriorly concave ischium, and deep cervicodorsal hypapophyses. This specimen has been previously partially described without being formally named (Barsbold et al. 2000).
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