Khermin Tsav I, Upper White Beds [HMNS-GIN]: Maastrichtian, Mongolia
collected by HMNS-GIN 1994, 1997, 2006

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Mollusca indet. (Linnaeus 1758)
Watabe and Suzuki 2000 20 specimens
970708 KmT Johnson
Osteichthyes indet. (Huxley 1880)
Watabe et al. 2010
Mammalia
Mammalia indet. (Linnaeus 1758)
Watabe et al. 2010
Reptilia
Lacertilia indet. (Owen 1842)
Watabe et al. 2010
Testudinata indet. (Oppel 1811)
Watabe and Suzuki 2000
970705 KmT OTG, 970713 KmT SZK 18:07
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
1 individual
940818 KmT-I GK
    = Trionyx sp. Geoffroy Saint-Hilaire 1809
Matsumoto et al. 2000
Reptilia - Testudines - Lindholmemydidae
Watabe and Suzuki 2000 1 specimen
rare at this locality; 970710 KmT NAR
Watabe and Suzuki 2000 1 specimen
970719 KmT
Reptilia
Mongolochelys sp. Khosatzky 1997
Suzuki and Narmandakh 2004 2 specimens
rare at this locality
    = Mongolochelys efremovi Khosatzky 1997
Suzuki and Tsogtbaatar 2010
MPC 25/117: shell fragments and 8th cervical vertebra; HMNS 97-21-178
Crocodylia indet. (Owen 1842)
Watabe et al. 2010
Reptilia - Protoceratopsidae
Protoceratopsidae indet. Granger and Gregory 1923
Watabe et al. 2010
Reptilia - Ankylosauridae
Ankylosauria indet. (Osborn 1923)
Watabe and Suzuki 2000 1 specimen
postcranial skeleton
    = Tarchia sp. Maryanska 1977
Watabe et al. 2010
Reptilia - Elongatoolithidae
Dinosauria indet. Owen 1842
2 individuals
egg nests and eggshells with various surface morphologies; 940816 KmT-I, 940817 KmT-I-N ENKH
    = Elongatoolithidae indet. Zhao 1975
Watabe et al. 2010
Reptilia - Oviraptoridae
Oviraptorosauria indet. Barsbold 1976
Watabe et al. 2010 4 individuals
mass burial; 060906 KmT KHTB, 060904 KmT KHTB Ovi
    = Ingenia sp. Barsbold 1981
Watabe et al. 2010
Reptilia - Tyrannosauridae
Tarbosaurus sp. Maleev 1955
Watabe and Suzuki 2000
some partial skeletons; field no. 970716-18-KmT-Tarbo
Reptilia - Alvarezsauridae
Alvarezsauridae indet. Bonaparte 1991
Watabe et al. 2010
Reptilia - Ornithomimidae
Gallimimus sp. Osmólska et al. 1972
1 individual
some partial skeletons of Gallimimus; 940817 KmT-I OTG
Reptilia - Dendroolithidae
Dendroolithidae indet. Zhao and Li 1988
Watabe et al. 2010
Reptilia
Sauropoda indet. (Marsh 1878)
Matsumoto et al. 2000 1 specimen
caudal vertebral centrum, 940816 KmT-ISGK
unclassified
Tracheophyta indet. ()
Watabe and Suzuki 2000 1 specimen
970713 KmT WTB 20:00, 970716 KmT SZK 10:24
see common names

Geography
Country:Mongolia State/province:Omnogov
Coordinates: 43.5° North, 99.8° East (view map)
Paleocoordinates:41.0° North, 88.9° East
Basis of coordinate:based on nearby landmark
Altitude:991 meters
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
Key time interval:Maastrichtian
Age range of interval:72.10000 - 66.00000 m.y. ago
Stratigraphy
Formation:Nemegt
Stratigraphic resolution:group of beds
Stratigraphy comments: From the Upper White Beds (NemegtFormation).
from the "Upper White Beds" (ref 35934), which is confusing because the upper beds of the formation are usually called the "Red Beds" and ref 41448 says that the Red Bed is the fossiliferous layer.
Nemegt Formation according to Suzuki et al. (2004)
Lithology and environment
Primary lithology:"cross stratification",fine,medium,red lithified sandstone
Secondary lithology:massive mudstone
Includes fossils?Y
Lithology description: "well-sorted medium to fine, reddish to pale orange cemented sand beds and massive mud beds with conglomerates of gravel-sized clasts. The sediments in the reddish sand beds exhibit large-scale trough cross-bedding."
Environment:eolian indet.
Geology comments: "predominantly eolian and fluvio-lacustrine deposits"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:excellent
Feeding/predation traces:arthropod boring
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:general faunal/floral analysis
Collectors:HMNS-GIN Collection dates:1994, 1997, 2006
Taxonomic list comments:JMJPE explored here in 1994 and 1997, collected some partial skeletons of Tarbosaurus and Gallimimus, some footprints (natural casts) of theropod, egg nests and eggshells with various surface morphologies, many turtles, plant fossils (leaf impression) and molluscs (bivalves and gastropods)
Metadata
Also known as:Khermeen Tsav
Database number:55258
Authorizer:M. Carrano, R. Benson Enterer:M. Carrano, R. Benson
Modifier:M. Carrano Research group:vertebrate
Created:2005-10-03 15:04:59 Last modified:2022-07-29 14:45:05
Access level:the public Released:2005-10-03 15:04:59
Creative Commons license:CC BY
Reference information

Primary reference:
42291. W. Watabe and S. Suzuki. 2000. Report on the Japan–Mongolia Joint Paleontological Expedition to the Gobi desert, 1994. Hayashibara Museum of Natural Sciences Research Bulletin 1:30-44 [R. Benson/R. Benson/M. Carrano]

Secondary references:

50209 I. G. Danilov, R. Hirayama, V. B. Sukhanov, S. Suzuki, M. Watabe and N. S. Vitek. 2014. Cretaceous soft-shelled turtles (Trionychidae) of Mongolia: new diversity, records, and a revision. Journal of Systematic Palaeontology 12(7):799-832 [P. Mannion/J. Tennant/P. Mannion]
82301 Y. Matsumoto, R. Hashimoto, and T. Sonoda. 2000. Report of preparation works for Mongolian specimens in HMNS from March 1994 to December 1998. Hayashibara Museum of Natural Sciences Research Bulletin 1:113-127 [M. Carrano/M. Carrano]
82304 Y. Matsumoto, R. Hashimoto, T. Sonoda, Y. Fujiyama, B. Mifune, Y. Kawahara, and M. Saneyoshi. 2010. Report of the preparation works for Mongolian specimens in Hayashibara Museum of Natural Sciences: 1999–2008. Hayashibara Museum of Natural Sciences Research Bulletin 3:167-185 [M. Carrano/M. Carrano/M. Carrano]
41448 M. Saneyoshi, M. Watabe, S. Suzuki and K. Tsogtbaatar. 2011. Trace fossils on dinosaur bones from Upper Cretaceous eolian deposits in Mongolia: taphonomic interpretation of paleoecosystems in ancient desert environments. Palaeogeography, Palaeoclimatology, Palaeoecology 311(1):38-47 [M. Carrano/M. Carrano]
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]
44038 S. Suzuki and C. Tsogtbaatar. 2010. A catalog of Mongolochelys collected by the HMNS-MPC Joint Paleontological Expedition. Hayashibara Museum of Natural Sciences Research Bulletin 3:119-131 [R. Benson/R. Benson]
35934ETE K. Tsogtbaatar. 2004. Fossil specimens prepared in Mongolian Paleontological Center 1993-2001. Hayashibara Museum of Natural Sciences Research Bulletin 2:123-128 [M. Carrano/M. Carrano]
53759 M. Watabe and S. Suzuki. 2000. Report on the Japan–Mongolia Joint Paleontological Expedition to the Gobi desert, 1997. Hayashibara Museum of Natural Sciences Research Bulletin 1:69-82 [M. Carrano/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]