Ulaan Khushu [HMNS-GIN]: Maastrichtian, Mongolia
collected by HMNS-GIN 1993, 2006

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Testudinata indet. (Oppel 1811)
Watabe et al. 2010
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
Suzuki and Narmandakh 2004 1 specimen
fragmentary remains
Reptilia
Dinosauria indet. (Owen 1842)
several forms of dinosaur eggshells
Reptilia - Theropoda
Theropoda indet. (Marsh 1881)
Watabe et al. 2010
small theropod
Reptilia - Theropoda - Tyrannosauridae
Tarbosaurus sp. Maleev 1955
Watabe et al. 2010
Reptilia - Hadrosauridae
Saurolophus sp. Brown 1912
Watabe et al. 2010
see common names

Geography
Country:Mongolia State/province:Omnogov
Coordinates: 43.5° North, 100.5° East (view map)
Paleocoordinates:41.1° North, 89.5° East
Basis of coordinate:stated in text
Altitude:1253 meters
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Maastrichtian 10 m.y. bin: Cretaceous 8
Key time interval: Maastrichtian
Age range of interval: 72.1 - 66 m.y. ago
Stratigraphy
Formation:Nemegt
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:desiccation cracks,"cross stratification" sandstone
Secondary lithology:paleosol/pedogenic mudstone
Includes fossils?Y
Includes fossils?Y
Lithology description: "Lithology of the beds is alternation of sandstone and mudstone layers with fluvial origin. Total thickness of the beds is about 25 m. Paleosol are developed in those beds. Paleocurrent direction on trough cross-stratification of hard sandstone layers is W to NW (299.1 degree, standard deviation = 6.45, N = 8)."
Environment:fluvial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (float),surface (in situ),field collection
Reason for describing collection:general faunal/floral analysis
Collectors:HMNS-GIN Collection dates:1993, 2006
Collection method comments: HMNS-Hayashibara Museum of Natural Sciences
Taxonomic list comments:JMJPE visited the locality in 1993, and collected several forms of dinosaur eggshells. Several bone fragments were also found.
Metadata
Also known as:Ulan Hushu, Ulan Khushu
Database number:127682
Authorizer:R. Benson, M. Carrano Enterer:R. Benson, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2012-05-22 00:59:29 Last modified:2021-04-16 10:57:41
Access level:the public Released:2012-05-22 00:59:29
Creative Commons license:CC BY
Reference information

Primary reference:
76473. Y. Ariunchimeg. 1997. Results of studies of dinosaur eggs. Abstract of Report Meeting, Mongolia-Japan Joint Paleontological Expedition 13 [M. Carrano/M. Carrano]

Secondary references:

41670 S. Suzuki and P. Narmandakh. 2004. Change of the Cretaceous turtle faunas in Mongolia. Hayashibara Museum of Natural Sciences Research Bulletin 2:7-14 [R. Benson/R. Benson]
42289 M. Watabe and S. Suzuki. 2000. Report on the Japan–Mongolia Joint Paleontological Expedition to the Gobi desert, 1993. Hayashibara Museum of Natural Sciences Research Bulletin 1:17-29 [R. Benson/R. Benson/M. Carrano]
42154 M. Watabe and S. Suzuki. 2000. Cretaceous fossil localities and a list of fossils collected by the Hayashibara Museum of Natural Sciences and Mongolian Paleontological Center Joint Paleontological Expedition (JMJPE) from 1993 through 1998. Hayashibara Museum of Natural Sciences Research Bulletin 1:99-108 [R. Benson/R. Benson]
55060 M. Watabe, S. Suzuki, K. Tsogtbaatar, T. Tsubamoto, and M. Saneyoshi. 2010. Report of the HMNS-MPC Joint Paleontological Expedition in 2006. Hayashibara Museum of Natural Sciences Research Bulletin 3:11-18 [M. Carrano/M. Carrano]
55298 M. Watabe, K. Tsogtbaatar, S. Suzuki and M. Saneyoshi. 2010. Geology of dinosaur-fossil-bearing localities (Jurassic and Cretaceous: Mesozoic) in the Gobi Desert: Results of the HMNS-MPC Joint Paleontological Expedition. Hayashibara Museum of Natural Sciences Research Bulletin 3:41-118 [M. Carrano/M. Carrano]