Xanadu, Ukhaa Tolgod (MAS-AMNH): Late/Upper Campanian, Mongolia
collected by 1993-1998

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines - Nanhsiungchelyidae
? Basilemys sp. Hay 1902
Dashzeveg et al. 1995 1 individual
IGM 90/1
    = Zangerlia ukhaachelys n. sp. Joyce and Norell 2005
Joyce and Norell 2005
Reptilia
Parmeosaurus scutatus Gao and Norell 2000
Gao and Norell 2000 3 individuals
IGM 3/140, 142, 144
Isodontosaurus gracilis Gilmore 1943
Gao and Norell 2000 1 individual
IGM 3/84
Ornithomimosauria indet. Barsbold 1976
Ksepka and Norell 2004 1 specimen
Reptilia - Oviraptoridae
Oviraptoridae indet. Barsbold 1976
1 specimen
embryo in egg
Reptilia - Troodontidae
Dromaeosauridae indet. Colbert and Russell 1969
2 specimens
skulls in nest
    = Byronosaurus sp. Norell et al. 2000
Bever and Norell 2009
IGM 100/972, 100/974
Reptilia - Dromaeosauridae
Tsaagan mangas n. gen., n. sp. Norell et al. 2006
Norell et al. 2006 1 individual
IGM 100/1015 (1 measurement)
see common names

Geography
Country:Mongolia State/province:Omnogov County:Gurvan Tes
Coordinates: 43.7° North, 100.9° East (view map)
Paleocoordinates:40.9° North, 90.2° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
Key time interval:Late/Upper Campanian
Age range of interval:83.60000 - 72.10000 m.y. ago
Stratigraphy
Formation:Djadokhta
Stratigraphic resolution:bed
Stratigraphy comments: equivalent to Djadokhta - Dashzeveg et al (2005) place the Djadokhta in the Late Campanian
Lithology and environment
Primary lithology:red sandstone
Includes fossils?Y
Environment:eolian indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Spatial orientation:life position
Preservation of anatomical detail:excellent
Articulated whole bodies:some
Associated major elements:some
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:selective quarrying,mechanical,field collection
Reason for describing collection:general faunal/floral analysis
Collectors:1993-1998
Metadata
Also known as:sublocality 7
Database number:45090
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:T. Cleary Research group:vertebrate
Subset of collection #:37184
Created:2004-10-05 12:57:48 Last modified:2016-03-09 07:12:27
Access level:the public Released:2004-10-05 12:57:48
Creative Commons license:CC BY
Reference information

Primary reference:
14724.ETE M. A. Norell, J. M. Clark, R. Barsbold and L. M. Chiappe. 1994. Oviraptorid and dromaeosaurids and their association with presumed theropod nests. Journal of Vertebrate Paleontology 14(3, suppl.):40A [M. Carrano/M. Carrano]

Secondary references:

30727ETE G. S. Bever and M. A. Norell. 2009. The perinate skull of Byronosaurus (Troodontidae) with observations on the cranial ontogeny of paravian theropods. American Museum Novitates 3657:1-51 [M. Carrano/M. Carrano]
15459ETE D. Dashzeveg, L. Dingus, D.B. Loope, C.C. Swisher, III, T. Dulam and M.R. Sweeney. 2005. New stratigraphic subdivision, depositional environment, and age estimate for the Upper Cretaceous Djadokhta Formation, southern Ulan Nur Basin, Mongolia. American Museum Novitates (3498)1-31 [M. Carrano/K. Maguire/G. Varnham]
5757ETE 1515D. Dashzeveg, M. J. Novacek, M.A. Norell, J.M. Clark, L.M. Chiappe, A. Davidson, M.C. McKenna, L. Dingus, C. Swisher and P. Altangerel. 1995. Extraordinary preservation in a new vertebrate assemblage from the Late Cretaceous of Mongolia. Nature 374:446-449 [A. Behrensmeyer/A. Behrensmeyer/R. Whatley]
197345% 54920K. Gao and M. A. Norell. 2000. Taxonomic composition and systematics of Late Cretaceous lizard assemblages from Ukhaa Tolgod and adjacent localities, Mongolian Gobi Desert. Bulletin of the American Museum of Natural History 249:1-118 [J. Alroy/E. Leckey/R. Benson]
26862ETE W. G. Joyce and M. A. Norell. 2005. Zangerlia ukhaachelys, new species, a nanhsiungchelyid turtle from the Late Cretaceous of Ukhaa Tolgod, Mongolia. American Museum Novitates 3481:1-19 [M. Carrano/M. Carrano]
11741ETE D. T. Ksepka and M. A. Norell. 2004. Ornithomimosaur cranial material from Ukhaa Tolgog (Omnogov, Mongolia). American Museum Novitates 3448:1-4 [M. Carrano/M. Carrano/M. Carrano]
58210 M. A. Norell. 1997. Central Asiatic Expeditions. In P. J. Currie & K. Padian (ed.), Encyclopedia of Dinosaurs 100-105 [M. Carrano/M. Carrano]
11794ETE M. A. Norell, J. M. Clark, D. Dashzeveg, R. Barsbold, L. M. Chiappe, A. R. Davidson, M. C. McKenna, A. Perle, and M. J. Novacek. 1994. A theropod dinosaur embryo and the affinities of the Flaming Cliffs dinosaur eggs. Science 266(5186):779-782 [M. Carrano/M. Carrano/M. Carrano]
11793ETE,5% 53900M. A. Norell, J. M. Clark, and L. M. Chiappe. 2001. An embryonic oviraptorid (Dinosauria: Theropoda) from the Upper Cretaceous of Mongolia. American Museum Novitates 3315:1-17 [M. Carrano/M. Carrano/J. Alroy]
19381ETE M. A. Norell, J. M. Clark, A. H. Turner, P. J. Makovicky, R. Barsbold and T. Rowe. 2006. A new dromaeosaurid theropod from Ukhaa Tolgod (Ömnögov, Mongolia). American Museum Novitates 3545:1-25 [M. Carrano/M. Carrano]