Xanadu, Ukhaa Tolgod (MAS-AMNH) (Cretaceous of Mongolia)

Also known as sublocality 7

Where: Omnogov, Mongolia (43.7° N, 100.9° E: paleocoordinates 40.9° N, 90.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Djadokhta Formation, Late/Upper Campanian (83.5 - 70.6 Ma)

• equivalent to Djadokhta - Dashzeveg et al (2005) place the Djadokhta in the Late Campanian

• bed-level stratigraphic resolution

Environment/lithology: eolian; red sandstone

Size class: macrofossils

Collected by 1993-1998

Collection methods: quarrying, mechanical,

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 45090: authorized by Matthew Carrano, entered by Matthew Carrano on 05.10.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Nanhsiungchelyidae
Zangerlia ukhaachelys n. sp.3 Joyce and Norell 2005 turtle
IGM 90/1
 Squamata -
Parmeosaurus scutatus2 Gao and Norell 2000 squamates
IGM 3/140, 142, 144
Isodontosaurus gracilis2 Gilmore 1943 squamates
IGM 3/84
 Theropoda - Troodontidae
Byronosaurus sp.1 Norell et al. 2000 maniraptoran
skulls in nest
 Theropoda - Dromaeosauridae
Tsaagan mangas n. gen. n. sp.5
Tsaagan mangas n. gen. n. sp.5 Norell et al. 2006 maniraptoran
IGM 100/1015
 Theropoda - Oviraptoridae
Oviraptoridae indet. Barsbold 1976 maniraptoran
embryo in egg
 Theropoda -
Ornithomimosauria indet.4 Barsbold 1976 ornithomimosaur