Alagteeg
Description
Source: Wikipédia
The Alagteeg Formation is a geological formation in Mongolia whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation. It predominantly consists of alternating reddish brown mudstone and horizontally laminated sandstone, with ripple cross laminations and rhizoliths. It was first formally defined as a unit by Hasegawa et al. in 2008 as a distinct unit from the overlying Djadochta Formation. The environment of deposition is suggested to be fluvial, originating in sandy braided river, floodplain and ephemeral lake depositional environments, as opposed to the desert depositional environment of the Djadochta Formation.
Découvertes
Source: The Paleobiology Database
Site(s) correspondant(s) à cette formation: 2
Aleg Teeg [SMPE] : Omnogov - ? 18351 54991 59136 64040 69233 76470 82280 86530 central Gobi, 3 km N of Toogreeg Shire. N: 44-15-2458; E: 103-17-5569; A: 982m
Some specimens from northern hills, others from southern main cliff- Abdrant Nuru [SMPE] : Omngov - ? 71707 81065 The Abdrant Nuru [=Abdarain Nuru in Russian transcription] locality is situated in the Ulan-Nuur Depression in the northern Gobi Desert, Mongolia
Publication(s)
La base comprend 10 publication(s).
Source: The Paleobiology Database
- ↑1 2 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
- ↑1 T. A. Tumanova. 2000. Armoured dinosaurs from the Cretaceous of Mongolia. The Age of Dinosaurs in Russia and Mongolia
- ↑1 K. Tsogtbaatar, D. B. Weishampel, and D. C. Evans, M. Watabe. 2014. A new hadrosaurid (Plesiohadros djadokhtaensis) from the Late Cretaceous Djadokhtan Fauna of southern Mongolia. Hadrosaurs
- ↑1 V. M. Arbour and P. J. Currie. 2016. Systematics, phylogeny and palaeobiogeography of the ankylosaurid dinosaurs. Journal of Systematic Palaeontology 14(5):385-444 (https://doi.org/10.1080/14772019.2015.1059985)
- ↑1 E. N. Kurochkin and R. Barsbold. 2000. The Russian-Mongolian expeditions and research in vertebrate palaeontology. The Age of Dinosaurs in Russia and Mongolia
- ↑1 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
- ↑1 Ł. Czepiński. 2020. New protoceratopsid specimens improve the age correlation of the Upper Cretaceous Gobi Desert strata. Acta Palaeontologica Polonica 65(3):481-497 (https://doi.org/10.4202/app.00701.2019)
- ↑1 G. Botfalvai, E. Prondvai, and A. Ösi. 2021. Living alone or moving in herds? A holistic approach highlights complexity in the social lifestyle of Cretaceous ankylosaurs. Cretaceous Research 118:104633 (https://doi.org/10.1016/j.cretres.2020.104633)
- ↑1 2 M. Watabe. 2004. New dinosaur ovifauna from the Upper Cretaceous vertebrate fossil locality, Abdrant Nuru, central part of the Gobi desert, Mongolia. Hayashibara Museum of Natural Sciences Research Bulletin 2:15-27
- ↑1 A. O. Averianov and A. V. Lopatin. 2020. An unusual new sauropod dinosaur from the Late Cretaceous of Mongolia. Journal of Systematic Palaeontology 18(12):1009-1032 (https://doi.org/10.1080/14772019.2020.1716402)