Khuren Dukh I [HMNS-GIN]: Middle Albian - Late Albian, Mongolia
collected by HMNS-GIN 1993, 1995–1996, 2001

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Osteichthyes indet. (Huxley 1880)
Watabe and Suzuki 2000 1 individual
'one complete skeleton of a fish'; 930731 KD-I
Reptilia - Theropoda
Theropoda indet. (Marsh 1881)
Watabe and Suzuki 2000 2 specimens
claw, upper jaw
Reptilia
Iguanodontia indet. Baur 1891
Watabe and Suzuki 2000 4 specimens
several skeletons, incl. 1 juvenile/'a whole and three partial skeletons'; 960721 KD ENK
    = Choyrodon barsboldi n. gen., n. sp. Gates et al. 2018
Gates et al. 2018
MPC-D 100/801
Champsosauridae indet. Cope 1876
Watabe and Suzuki 2000 3 individuals
a champsosaurid skeleton with skull and two other partial skeletons; 960721 KD ORKh, 960721 KD SZK, 960721 KD TSGT
    = Khurendukhosaurus sp. Sigogneau-Russell and Efimov 1984
Matsumoto et al. 2009
MPC-MX1 (vertebrae, pelvis and hindlimb)
    = Tchoiria sp. Efimov 1975
Matsumoto et al. 2010
Reptilia - Testudines
Testudinata indet. (Oppel 1811)
Watabe and Suzuki 2000 8 specimens
930371 KD-I; 960720 KD-I TSGT, SZK; 960720 KD WTB; 960721 KD OTG
    = Hangaiemys sp. Sukhanov and Narmandakh 1974
Suzuki and Narmandakh 2004
see common names

Geography
Country:Mongolia State/province:Dornogov
Coordinates: 45.8° North, 108.4° East (view map)
Paleocoordinates:49.3° North, 100.1° East
Basis of coordinate:stated in text
Altitude:1173 meters
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Albian 10 m.y. bin: Cretaceous 4
Key time interval: Middle Albian - Late Albian
Age range of interval: 109.9 - 100.5 m.y. ago
Stratigraphy
Formation:Khuren Dukh Member:Lower
Stratigraphic resolution:bed
Stratigraphy comments: formerly Shinekhudag = Shinehuduk Fm.
Lithology and environment
Primary lithology:fine,coarse,white,blue sandstone
Secondary lithology:brown carbonaceous siltstone
Includes fossils?Y
Lithology description: "alternation of bluish white fine to coarse sandstone and black lignite and lignitic mudstone (paper shale in some horizons"; C. barsboldi quarry in "a thick brown– black organic rich siltstone"
Environment:lacustrine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils,microfossils
Preservation of anatomical detail:good
Fragmentation:occasional
Collection methods and comments
Collection excludes:some microfossils
Collection methods:bulk,surface (float),surface (in situ),field collection,observed (not collected)
Reason for describing collection:general faunal/floral analysis
Collectors:HMNS-GIN Collection dates:1993, 1995–1996, 2001
Collection method comments: Pollen samples also collected.
Metadata
Also known as:KD-I, KD-Hawaii
Database number:55252
Authorizer:M. Carrano, R. Benson Enterer:M. Carrano, R. Benson
Modifier:M. Carrano Research group:vertebrate
Created:2005-10-03 14:54:17 Last modified:2023-01-20 13:49:04
Access level:the public Released:2005-10-03 14:54:17
Creative Commons license:CC BY
Reference information

Primary reference:
14738.ETE M. Watabe and D. B. Weishampel. 1994. Results of Hayashibara Museum of Natural Sciences–Institute of Geology, Academy of Sciences of Mongolia Joint Paleontological Expedition to the Gobi Desert in 1993. Journal of Vertebrate Paleontology 14(3, suppl.):51A [M. Carrano/M. Carrano]

Secondary references:

83730 T. A. Gates, K. Tsogtbaatar, L. E. Zanno, T. Chinzorig, and M. Watabe. 2018. A new iguanodontian (Dinosauria: Ornithopoda) from the Early Cretaceous of Mongolia. PeerJ 6:e5300:1-50 [M. Carrano/M. Carrano]
15060ETE J. F. Hicks, D. L. Brinkman, D. J. Nichols and M. Watabe. 1999. Paleomagnetic and palynologic analyses of Albian to Santonian strata at Bayn Shireh, Burkhant, and Khuren Dukh, eastern Gobi Desert, Mongolia. Cretaceous Research 20:829-850 [M. Carrano/M. Carrano/M. Carrano]
37813 R. Matsumoto, S. Suzuki, K. Tsogtbaatar and S. E. Evans. 2009. New material of the enigmatic reptile Khurendukhosaurus (Diapsida: Choristodera) from Mongolia. Naturwissenschaften 96:233-242 [R. Benson/R. Benson]
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]
17539ETE D. J. Nichols, M. Matsukawa, and M. Ito. 2006. Palynology and age of some Cretaceous nonmarine deposits in Mongolia and China. Cretaceous Research 27:241-251 [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]
42292 S. Suzuki and M. Watabe. 2000. Report on the Japan-Mongolia Joint Paleontological Expedition to the Gobi desert, 1995. Hayashibara Museum of Natural Sciences Research Bulletin 1:45-57 [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]
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]
53760 M. Watabe and S. Suzuki. 2000. Report on the Japan–Mongolia Joint Paleontological Expedition to the Gobi desert, 1996. Hayashibara Museum of Natural Sciences Research Bulletin 1:58-68 [M. Carrano/M. Carrano]
44099 M. Watabe, K. Tsogtbaatar, N. Ichinnorov and R. Barsbold. 2004. Report on the Japan-Mongolia Joint Paleontological Expedition to the Gobi desert, 2001. Hayashibara Museum of Natural Sciences Research Bulletin 2:69-96 [R. Benson/R. Benson]