Bayn Shire [HMNS-GIN]: Cenomanian - Santonian, Mongolia
collected by HMNS-GIN 1993, 1995–1996, 2008

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Tracheophyta indet. ()
Watabe and Suzuki 2000
petrified wood
Mollusca indet. (Linnaeus 1758)
Watabe and Suzuki 2000
Reptilia
Dinosauria indet. (Owen 1842)
5 specimens
Two types of nests of dinosaur eggs were found. One nest yielded embryonic bones together with huge amount of shell debris. 960806 BS WTB/M-10, M-11, PJ-8,9,10; 960805 Bs NEST-1; 960805 BSLOC-II
Reptilia - Theropoda - Dendroolithidae
Dendroolithidae indet. Zhao and Li 1988
Ariunchimeg 1997 1 individual
large nest; 960805 BS WTB/M9
Reptilia - Theropoda
Ornithomimidae indet. Marsh 1890
mass burial skeletons of many individual ornithomimids'; field no. 960804-5 BS TSGT
    = Ornithomimosauria indet. Barsbold 1976
Tsogtbaatar and Chinzorig 2010
Reptilia
Ankylosauria indet. (Osborn 1923)
'A bone-bed of ankylosaurs and hadrosaurs'; 950805 BS PJ-1 (skull parts), 960803 BS ENK, 960807 BS ORK/M-12, 960807 BS ORK/UJ-2
Reptilia - Ankylosauridae
Ankylosauridae indet. Brown 1908
Tsubamoto et al. 2010 11 specimens
humerus, 080915 BS KHB; 080914 BS FJYM (8 elements), 080915 BS MB (humerus), 080915 BS FJYM (rib)
Reptilia
Hadrosauroidea indet. Huene 1954
Tsubamoto et al. 2010 6 specimens
080914 BS HRS (braincase), 080915 BS HRS (5 elements)
Reptilia - Hadrosauridae
Hadrosauridae indet. Cope 1869
Tsogtbaatar 1997 2 individuals
'A bone-bed of ankylosaurs and hadrosaurs'; field no. 960807 BS ORK/UJ-3,4, 950805 BS PJ-2, 960804 BS
Reptilia
Testudinata indet. (Oppel 1811)
3 specimens
080914 BS BON (3 specimens)
Reptilia - Testudines - Nanhsiungchelyidae
Nanhsiungchelyidae indet. Yeh 1966
Suzuki and Narmandakh 2004 1 specimen
peripheral and costal bones
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
Suzuki and Narmandakh 2004 23 specimens
shell fragments
Reptilia - Testudines - Adocidae
Adocidae indet. Cope 1869
Suzuki and Narmandakh 2004 5 specimens
peripheral and costal bones
Reptilia - Testudines - Lindholmemydidae
Lindholmemydidae indet. Chkhikvadze 1970
Suzuki and Narmandakh 2004 21 specimens
shell fragments
Lindholmemys sp. Riabinin 1935
Watabe and Suzuki 2000 1 specimen
nearly complete shell, 960731 BS SZK
see common names

Geography
Country:Mongolia State/province:Dornogov
Coordinates: 44.3° North, 109.9° East (view map)
Paleocoordinates:46.5° North, 100.0° East
Basis of coordinate:based on nearby landmark
Altitude:730 meters
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Cenomanian - Santonian 10 m.y. bin: Cretaceous 5 - Cretaceous 6
Key time interval: Cenomanian - Santonian
Age range of interval: 100.5 - 83.6 m.y. ago
Stratigraphy
Formation:Baynshire
Stratigraphic resolution:bed
Stratigraphy comments: = Bayn Shire
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:good
Collection methods and comments
Collection methods:selective quarrying,surface (float),surface (in situ),mechanical,field collection
Reason for describing collection:taxonomic analysis
Collectors:HMNS-GIN Collection dates:1993, 1995–1996, 2008
Metadata
Database number:108342
Authorizer:M. Carrano, R. Benson Enterer:M. Carrano, R. Benson
Modifier:M. Carrano Research group:vertebrate
Created:2011-04-28 06:45:36 Last modified:2022-07-29 14:25:31
Access level:the public Released:2011-04-28 06:45:36
Creative Commons license:CC BY
Reference information

Primary reference:
76472. M. Watabe, Y. Ariunchimeg, and D. Brinkman. 1997. Dinosaur egg nests and their sedimentary environments in Bayn Shire locality (Late Cretaceous), Eastern Gobi. Abstract of Report Meeting, Mongolia-Japan Joint Paleontological Expedition 11 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

76473 Y. Ariunchimeg. 1997. Results of studies of dinosaur eggs. Abstract of Report Meeting, Mongolia-Japan Joint Paleontological Expedition 13 [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]
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]
76475 K. Tsogtbaatar. 1997. Preliminary results of study on Mongolian hadrosaurids. Abstract of Report Meeting, Mongolia-Japan Joint Paleontological Expedition 15 [M. Carrano/M. Carrano/M. Carrano]
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]
80151 K. Tsogtbaatar and T. Chinzorig. 2010. Fossil specimens prepared in Mongolian Paleontological Center: 2002–2008. Hayashibara Museum of Natural Sciences Research Bulletin 3:155-166 [M. Carrano/M. Carrano]
53793 T. Tsubamoto, M. Saneyoshi, K. Tsogtbaatar, T. Chinzorig, P. Khatanbaatar, B. Mainbayar, and S. Suzuki. 2010. Report of the HMNS-MPC Joint Paleontological Expedition in 2008. Hayashibara Museum of Natural Sciences Research Bulletin 3:29-39 [M. Carrano/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]
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]