Ologoy Ulan Tsav [MPE/SMPE/SMGE]: Late/Upper Albian - Cenomanian, Mongolia
collected by MPE, SMPE/SMGE 1946, 1967–1968

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Sauropoda indet. Marsh 1878
Mikhailov et al. 1994
bones
Titanosauria indet. Bonaparte and Coria 1993
Grellet-TInner et al. 2010 1 individual
NSM60104403; embryonic skeleton
    = Lithostrotia indet. Wilson and Upchurch 2003
Grellet-Tinner et al. 2011
    = Macronaria indet. Sereno 1997
D'Emic 2012
Reptilia - Faveoloolithidae
? Sauropoda indet. Marsh 1878
10 specimens
eggs; PIN 2970/1
    = Faveoloolithus ningxiaensis Zhao and Ding 1976
Mikhailov 1991
PIN 422511
    = Parafaveoloolithus sp. Zhang 2010
Zhang 2010
Reptilia - Testudines - Nanhsiungchelyidae
Nanhsiungchelyidae indet. Yeh 1966
Danilov and Syromyatnikova 2008
Reptilia - Testudines
Chelonia indet. (Latreille 1800)
Mikhailov et al. 1994 2 specimens
synonym of Testudines
eggs, PIN 4225-2, 3
see common names

Geography
Country:Mongolia State/province:Dalanzagad
Coordinates: 44.5° North, 104.7° East (view map)
Paleocoordinates:47.6° North, 95.5° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Cretaceous
Key time interval:Late/Upper Albian - Cenomanian
Age range of interval:106.20000 - 93.90000 m.y. ago
Stratigraphy
Formation:Ulaanoosh Member:Upper
Stratigraphic resolution:bed
Stratigraphy comments: originally assigned to Barun Goyot (Late Cretaceous) but now considered to be Lower Cretaceous age; later assigned to Baruunbayan Fm.
Lithology and environment
Primary lithology:concretionary,brown,red carbonaceous claystone
Secondary lithology: conglomerate
Includes fossils?Y
Lithology description: "gritstones and conglomerates"; "red and red-brown clays interbedded with variously grained sands, showing coarse oblique bedding, or with conglomerates and gravels. Carbonate concretions are common."; "red gravellite and conglomerate."
Environment:alluvial fan
Geology comments: "alluvial (and occasional proluvial) deposits formed near channel bars of a river"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Spatial orientation:life position
Preservation of anatomical detail:variable
Abundance in sediment:abundant
Fragmentation:frequent
Temporal resolution:snapshot
Spatial resolution:autochthonous
Collection methods and comments
Collection methods:surface (float),surface (in situ),field collection
Reason for describing collection:general faunal/floral analysis
Collectors:MPE, SMPE/SMGE Collection dates:1946, 1967–1968
Collection method comments: several clutches - multicanaliculate
Metadata
Also known as:Ologai Ulaan Tsab, Soviet-Mongolian Geological Expedition, Algui Ulaan Tsav; Olgoy Ulan Tsav, Algui Ulaan Tsav
Database number:60457
Authorizer:M. Carrano, P. Mannion Enterer:K. Maguire, P. Mannion, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2006-05-15 13:21:43 Last modified:2023-08-03 10:51:02
Access level:the public Released:2006-05-15 13:21:43
Creative Commons license:CC BY
Reference information

Primary reference:
61563. A. V. Sochava. 1969. Dinosaur eggs from the Upper Cretaceous of the Gobi Desert. Paleontological Journal 1969(4):517-527 [M. Carrano/M. Carrano]

Secondary references:

14221ETE K. Carpenter and K. Alf. 1994. Global distribution of dinosaur eggs, nests, and babies. In K. Carpenter, K. F. Hirsch, and J. R. Horner (eds.), Dinosaur Eggs and Babies, Cambridge University Press, Cambridge 13-30 [M. Carrano/M. Carrano/M. Carrano]
43726 M. D. D'Emic. 2012. The early evolution of titanosauriform sauropod dinosaurs. Zoological Journal of the Linnean Society 166:624-671 [P. Mannion/P. Mannion]
41748 I. G. Danilov and E. V. Syromyatnikova. 2008. New materials on turtles of the family Nanhsiungchelyidae from the Cretaceous of Uzbekistan and Mongolia, with a review of the Nanhsiungchelyid record in Asia. Proceedings of the Zoological Institute RAS 312(1/2):3-25 [R. Benson/R. Benson/P. Mannion]
76399 G. Grellet-TInner, D. H. Kim, and C. M. Sim. 2010. Neutron image characterization of the first titanosaur dinosaur embryo in ovo from Algui Ulaan Tsav, Gobi Desert, Mongolia. XXV Jornadas Argentinas de Paleontología de Vertebrados. Resúmenes. Ameghiniana 47(4 (suppl.)):14R [M. Carrano/M. Carrano/M. Carrano]
40523 G. Grellet-Tinner, C. M. Sim, D. H. Kim, P. Trimby, A. Higa, S. L. An, H. S. Oh, T. Kim, and N. Kardjilov. 2011. Description of the first lithostrotian titanosaur embryo in ovo with Neutron characterization and implications for lithostrotian Aptian migration and dispersion. Gondwana Research 20:621-629 [M. Carrano/M. Carrano]
52670 C.h. M. Kolesnikov and A. V. Sochava. 1972. [A paleobiochemical study of Cretaceous dinosaur eggshell from the Gobi]. Paleontologicheskii Zhurnal 1972(2):101-112 [M. Carrano/A. Murch/A. Murch]
52669 C.h. M. Kolesnikov and A. V. Sochava. 1972. A paleobiochemical study of Cretaceous dinosaur eggshell from the Gobi. Paleontological Journal 6(2):235-245 [M. Carrano/A. Murch/A. Murch]
69233 E. N. Kurochkin and R. Barsbold. 2000. The Russian-Mongolian expeditions and research in vertebrate palaeontology. In M. J. Benton, M. A. Shishkin, D. M. Unwin, & E N. Kurichkin (eds.), The Age of Dinosaurs in Russia and Mongolia 235-255 [M. Carrano/M. Carrano]
14217ETE K. Mikhailov, K. Sabath, and S. Kurzanov. 1994. Eggs and nests from the Cretaceous of Mongolia. In K. Carpenter, K. F. Hirsch, and J. R. Horner (eds.), Dinosaur Eggs and Babies, Cambridge University Press, Cambridge 88-115 [M. Carrano/M. Carrano/M. Carrano]
27284ETE K. E. Mikhailov. 1991. Classification of fossil eggshells of amniotic vertebrates. Acta Palaeontologica Polonica 36(2):193-238 [M. Carrano/M. Carrano/M. Carrano]
18353ETE K. E. Mikhailov. 2000. Eggs and eggshells of dinosaurs and birds from the Cretaceous of Mongolia. In M. J. Benton, M. A. Shishkin, D. M. Unwin, & E N. Kurichkin (eds.), The Age of Dinosaurs in Russia and Mongolia 560-572 [M. Carrano/M. Carrano/M. Carrano]
62149 V. F. Shuvalov. 2000. The Cretaceous stratigraphy and palaeobiogeography of Mongolia. In M. J. Benton, M. A. Shishkin, D. M. Unwin, & E N. Kurichkin (eds.), The Age of Dinosaurs in Russia and Mongolia 256-278 [P. Barrett/T. Cleary/M. Carrano]
59875% 37440A. V. Sochava. 1970. Microtexture of dinosaur eggshells from the lower Cretaceous of the northern Gobi. Transactions of the U.S.S.R. Academy of Sciences: Earth Science Sections 192:203-205 [M. Carrano/M. Carrano/M. Carrano]
68244 A. V. Sochava. 1970. Yaytsa dinozavrov v pustyne Gobi [Dinosaur eggs in the Gobi Desert]. Priroda 1970(10):65-68 [M. Carrano/M. Carrano]
85552 A. V. Sochava. 1971. Two types of eggshell in Senonian dinosaurs. Paleontological Journal 1971(3):80-88 [M. Carrano/M. Carrano]
33948ETE S.-K. Zhang. 2010. [A parataxonomic revision of the Cretaceous faveoloolithid eggs of China]. Vertebrata PalAsiatica 48(3):203-219 [M. Carrano/M. Carrano]