Aleg Teeg [SMPE]: Late/Upper Santonian - Late/Upper Campanian, Mongolia
collected by SMPE 1969–1970

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Avetheropoda
Carnosauria indet. Huene 1920
Reptilia - Ankylosauridae
Pinacosaurus grangeri Gilmore 1933
41 specimens
MPC 100/1307–1313, 1315–1347; PIN 3144
Reptilia
Plesiohadros djadokhtaensis n. gen., n. sp. Tsogtbaatar et al. 2014
Tsogtbaatar et al. 2014 2 specimens
MPC-D100/745, 751
Reptilia - Protoceratopsidae
? Protoceratops andrewsi Granger and Gregory 1923
Reptilia
Sauropoda indet. Marsh 1878
see common names

Geography
Country:Mongolia State/province:Omnogov
Coordinates: 44.3° North, 103.3° East (view map)
Paleocoordinates:41.9° North, 92.4° East
Basis of coordinate:stated in text
Altitude:982 meters
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Key time interval:Late/Upper Santonian - Late/Upper Campanian
Age range of interval:86.30000 - 72.10000 m.y. ago
Stratigraphy
Formation:Alagteeg
Stratigraphic resolution:group of beds
Stratigraphy comments: Also specimens from Djadokhta Formation
lower section of Alagteeg Fm.
Lithology and environment
Primary lithology: mudstone
Includes fossils?Y
Environment:pond
Geology comments: "ephemeral ponds or a lake situated in the floodplain area of a braided river system"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:surface (float),surface (in situ),survey of museum collection
Reason for describing collection:taxonomic analysis
Museum repositories:PIN
Collectors:SMPE Collection dates:1969–1970
Collection method comments: The collection is composed of approximately 285 specimens, including ~160 vertebrae (disarticulated, except for three articulated series, including one of four cervicals, one of seven caudals, and another of 21 caudals), over 20 rib fragments, ~20 girdle elements, ~30 complete and fragmentary limb bones, ~30 isolated manual and pedal bones, and ~15 cervical half-ring fragments. This material, all of which is prepared, was examined by the first and second authors
via measurements, observations, and photographs.
Soviet-Mongolian Paleontological Expedition
Metadata
Also known as:Alag Teg; Alag Teg, Soviet-Mongolian Paleontological Expedition
Database number:167657
Authorizer:P. Mannion, M. Carrano Enterer:J. Tennant, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2015-03-27 09:50:41 Last modified:2023-11-20 13:28:19
Access level:the public Released:2015-03-27 09:50:41
Creative Commons license:CC BY
Reference information

Primary reference:

59136. R. Gradzinski, Z. Kielan-Jaworowska, and T. Maryanska. 1977. Upper Cretaceous Djadokhta, Barun Goyot and Nemegt formations of Mongolia, including remarks on previous subdivisions. Acta Geologica Polonica 27(3):281-318 [M. Carrano/M. Carrano]

Secondary references:

64040 V. M. Arbour and P. J. Currie. 2016. Systematics, phylogeny and palaeobiogeography of the ankylosaurid dinosaurs. Journal of Systematic Palaeontology 14(5):385-444 [G. Lloyd/G. Lloyd/M. Carrano]
86530 G. Botfalvai, E. Prondvai, and A. 2021. Living alone or moving in herds? A holistic approach highlights complexity in the social lifestyle of Cretaceous ankylosaurs. Cretaceous Research 118:104633 [M. Carrano/M. Carrano]
54742 M. E. Burns, T. T. Tumanova, and P. J. Currie. 2015. Postcrania of juvenile Pinacosaurus grangeri (Ornithischia: Ankylosauria) from the Upper Cretaceous Alagteeg Formation, Alag Teeg, Mongolia: implications for ontogenetic allometry in ankylosaurs. Journal of Paleontology 89(1):168-182 [P. Mannion/J. Tennant]
82280 Ł Czepiński. 2020. New protoceratopsid specimens improve the age correlation of the Upper Cretaceous Gobi Desert strata. Acta Palaeontologica Polonica 65(3):481-497 [M. Carrano/M. Carrano/M. Carrano]
76470 D. E. Fastovsky and M. Watabe. 1997. Sedimentary environment of Alag Teg (Djadochta age), Central Gobi, Mongolia. Abstract of Report Meeting, Mongolia-Japan Joint Paleontological Expedition 7 [M. Carrano/M. Carrano/M. Carrano]
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]
54991 K. Tsogtbaatar, D. B. Weishampel, D. C. Evans and M. Watabe. 2014. A new hadrosaurid (Plesiohadros djadokhtaensis) from the Late Cretaceous Djadokhtan Fauna of southern Mongolia. In D. A. Eberth & D. C. Evans (ed.), Hadrosaurs 108-135 [M. Carrano/M. Carrano/M. Carrano]
18351ETE T. A. Tumanova. 2000. Armoured dinosaurs 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 517-532 [M. Carrano/M. Carrano/M. Carrano]