Altan Ula II [HMNS-GIN]: Maastrichtian, Mongolia
collected by HMNS-GIN 1993, 1997, 2006

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Theropoda indet. (Marsh 1881)
Watabe and Suzuki 2000
tibia, ribs (small theropod)
Reptilia - Ornithomimidae
Gallimimus sp. Osmólska et al. 1972
Watabe and Suzuki 2000 1 individual
nearly complete skeleton
Reptilia - Tyrannosauridae
Tarbosaurus sp. Maleev 1955
Watabe and Suzuki 2000
Reptilia - Elongatoolithidae
Dinosauria indet. (Owen 1842)
one dinosaur egg nest; eggshells; 970724 AU-II Nest TSGT
    = Elongatoolithidae indet. Zhao 1975
Watabe et al. 2010
Reptilia - Hadrosauridae
Saurolophus angustirostris Rozhdestvensky 1952
Tsogtbaatar and Chinzorig 2007
Reptilia
Testudinata indet. (Oppel 1811)
Watabe and Suzuki 2000 1 specimen
970727 AU-II
Mongolochelys sp. Khosatzky 1997
Watabe and Suzuki 2000
partial skeletons
    = Mongolochelys efremovi Khosatzky 1997
Suzuki and Tsogtbaatar 2010
MPC 25/118: shell fragments, 5th cervical vertebra, left scapula and humerus; 1997; Altan Ula II; HMNS 97-21-339 MPC 25/119: peripheral fragments; 1997; Altan Ula II; HMNS 97-21-334 MPC 25/120: left femur; 1997; Altan Ula II; HMNS 97-21-330 MPC 25/121: peripheral, right ilium, 1st metatarsal; 1997; Altan Ula II; HMNS 97-21-337; MPC 25/151: pygal; 2006; Altan Ula II; HMNS 2006-04-488
Reptilia - Testudines - Trionychidae
Watabe and Suzuki 2000 2 specimens
970724 AU-II ENKH, 970724 AU-II SZK 11:45
    = Trionychidae indet. Gray 1825
Suzuki and Narmandakh 2004
Reptilia - Testudines - Lindholmemydidae
Watabe and Suzuki 2000
Ostracoda
Ostracoda indet. Latreille 1802
Watabe and Suzuki 2000
see common names

Geography
Country:Mongolia State/province:Omnogov
Coordinates: 43.6° North, 100.5° East (view map)
Paleocoordinates:41.2° North, 89.5° East
Basis of coordinate:stated in text
Altitude:1573 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: mostly from "upper part" of the section
Lithology and environment
Primary lithology: sandstone
Secondary lithology: mudstone
Includes fossils?Y
Includes fossils?Y
Lithology description: "The fossiliferous beds are alternation of sandstone and mudstone layers with fluvial origin"
Environment:fluvial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:good
Fragmentation:frequent
Collection methods and comments
Collection methods:surface (float),surface (in situ),field collection,observed (not collected)
Reason for describing collection:general faunal/floral analysis
Museum repositories:PIN
Collectors:HMNS-GIN Collection dates:1993, 1997, 2006
Collection method comments: HMNS-Hayashibara Museum of Natural Sciences
Metadata
Database number:127671
Authorizer:R. Benson, M. Carrano Enterer:R. Benson, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2012-05-21 22:56:28 Last modified:2021-04-16 10:57:17
Access level:the public Released:2012-05-21 22:56:28
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:

34573ETE N. R. Longrich, P. J. Currie, and Z.-M. Dong. 2010. A new oviraptorid (Dinosauria: Theropoda) from the Upper Cretaceous of Bayan Mandahu, Inner Mongolia. Palaeontology 53(5):945-960 [M. Carrano/M. Carrano/R. Benson]
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]
80572 K. Tsogtbaatar and T. Chinzorig. 2007. Mongolian hadrosaurids: paleobiogeography, dispersal and environmental relationships. The Korean Journal of Quaternary Research 21(2):49-53 [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]
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]
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]