Khaan

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Khaan
Khaan mckennai, graphic head study

Khaan mckennai , graphic head study

Temporal occurrence
Upper Cretaceous (late Campanium )
76.4 to 72 million years
Locations
Systematics
Lizard dinosaur (Saurischia)
Theropoda
Maniraptora
Oviraptorosauria
Oviraptoridae
Khaan
Scientific name
Khaan
Clark, Norell & Barsbold , 2001
Art
  • Khaan mckennai

Khaan is a theropod dinosaur from the group of oviraptorosauria from the Upper Cretaceous of Mongolia . The only species ( type species ) of this genus is Khaan mckennai .

Within the Oviraptorosauria, Khaan is classified as Oviraptoridae . Like other Oviraptorosauria, the Khaan was a two-legged , presumably feathered animal with a toothless beak and presumably a herbivorous or omnivorous diet.

Finds and naming

Fossil skeleton of Khaan McKennai .

Khaan is known from three skeletons with skulls that were found at the Ukhaa Tolgod site in Ömnö-Gobi-Aimag , an aimag in Mongolia . Stratigraphically , the finds belong to the Djadochta Formation and are in the Upper Cretaceous (late Campanium ).

The holotype material (catalog number IGM 100/1127) is a complete skeleton, while the skeleton IGM 100/1002 found very close by is a nearly complete skeleton with the rear (distal) end of the tail missing. IGM 100/973 is another almost complete skeleton. Initially, the fossils were provisionally attributed to Ajancingenia , until the preparation revealed features, especially on the hands, that indicate a genus of their own.

In 2001 the new genus was scientifically described by Clark, Norell, and Barsbold .

The name Khaan is a Mongolian ruler titles while the Artepitheth mckennai Malcolm McKenna honors.

features

Khaan was about two meters long. Similar to Conchoraptor , Khaan lacked a skull crest, as found in some other Oviraptorids. Compared to Conchoraptor , the claws of the first and second fingers were more curved, and the third metacarpal was reduced at the proximal end. The ilium is similar to that of " Ingenia " and Conchoraptor .

Individual evidence

  1. a b James M. Clark, Mark A. Norell and Rinchen Barsboöd: Two new oviraptorids (Theropoda: Oviraptorosauria), Upper Cretaceous Djadokhta Formation, Ukhaa Tolgod, Mongolia. Journal of Vertebrate Paleontology 21 (2), 2001, pp. 209-213
  2. Halszka Osmólska , Philip J. Currie , Rinchen Barsbold : Oviraptorosauria. In: David B. Weishampel , Peter Dodson , Halszka Osmólska (eds.): The Dinosauria . 2nd edition. University of California Press, Berkeley CA et al. 2004, ISBN 0-520-24209-2 , pp. 165-183, here p. 182.