• Source: Bostobe Formation

The Bostobe Formation (Kazakh: Boztóbe svıtasy) is a geological formation in Qaraghandy & Qyzylorda, Kazakhastan whose strata date back to the Late Cretaceous (Santonian to early Campanian stages, approximately 85 Ma).
The sandstones and claystones of the formation were deposited in estuarine, fluvial-lacustrine and fluvial-deltaic environments.
Dinosaur remains are among the fossils that have been recovered from the formation. The formation is about 45 metres (148 ft) thick and consists primarily of clay with interbeds of sand, representing an estuarine environment.




Fossil content


Khunnuchelys lophorhothon, a trionychid turtle recovered from the formation, was initially thought to belong to a hadrosaurid dinosaur and classified as cf. Lophorhothon sp.




See also


List of dinosaur-bearing rock formations
List of fossiliferous stratigraphic units in Kazakhstan
Bissekty Formation
Madygen Formation
Karabastau Formation
Kugitang Svita




References






= Bibliography

=
Averianov, A (2016), "Frontal bones of non-avian theropod dinosaurs from the Upper Cretaceous (Santonian-?Campanian) Bostobe Formation of the northeastern Aral Sea region, Kazakhstan", Canadian Journal of Earth Sciences, 53 (2): 168–175, Bibcode:2016CaJES..53..168A, doi:10.1139/cjes-2015-0099, retrieved 2020-03-23
Danilov, Igor G.; Vitek, Natasha S.; Averianov, Alexander O.; Glinskiy, Vadim N. (2015), "A new softshelled trionychid turtle of the genus Khunnuchelys from the Upper Cretaceous Bostobe Formation of Kazakhstan", Acta Palaeontologica Polonica, 60: 155–161, doi:10.4202/app.2013.0045, retrieved 2020-03-23
Averianov, A.O.; Archibald, J.D.; Skutschas, P.P.; Dyke, G.J. (2014a), "New mammal remains from the Late Cretaceous Bostobe Formation (northeast Aral Sea Region, Kazakhstan)" (PDF), Palaeoworld, 23 (3–4): 314–320, doi:10.1016/j.palwor.2014.10.009, retrieved 2020-03-23
Averianov, A.; Archibald, J.D.; Dyke, G.J. (2014b), "A new eutherian mammal from the Late Cretaceous of Kazakhstan", Acta Palaeontologica Polonica, 59: 537–542, retrieved 2020-03-23
Averianov, A.O (2004), "New Data on Cretaceous Flying Reptiles (Pterosauria) of Russia, Kazakhstan, and Kyrgyzstan", Paleontological Journal, 38: 426–436
Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, retrieved 2019-02-21
Kordikova, E.G.; Polly, P.D.; Alifanov, V.A.; Roček, Z.; Gunnell, G.F.; Averianov, A.O. (2001), "Small vertebrates from the late Cretaceous and early Tertiary of the northeastern Aral Sea region, Kazakhstan" (PDF), Journal of Paleontology, 75 (2): 390–400, doi:10.1017/S0022336000018187, ISSN 0022-3360




Further reading


A. O. Averianov. 2007. Theropod dinosaurs from Late Cretaceous deposits in the northeastern Aral Sea region, Kazakhstan. Cretaceous Research 28:532-544
E. G. Kordikova, S. M. Kurzanov, and G. F. Gunnell. 1997. Unusual dinosaur claw phalanxes from the Upper Cretaceous of the northeastern Aral Sea region, Kazakhstan. Journal of Morphology 232(3):278
L. A. Nessov. 1995. Dinozavri severnoi Yevrazii: Novye dannye o sostave kompleksov, ekologii i paleobiogeografii [Dinosaurs of northern Eurasia: new data about assemblages, ecology, and paleobiogeography]. Institute for Scientific Research on the Earth's Crust, St. Petersburg State University, St. Petersburg 1–156
L. A. Nessov. 1988. Late Mesozoic amphibians and lizards of Soviet Middle Asia. Acta Zoologica Cracoviensia 31(14):475-486
L. A. Nessov. 1984. Data on late Mesozoic turtles from the USSR. Studia Geologica Salamanticensia, vol. especial 1 (Studia Palaeocheloniologica I) 1:215-223
L. A. Nessov. 1981. Amfibii i reptilii v ekosistemakh Mela sredney Azii [Amphibia and reptiles in Cretaceous ecosystems of central Asia]. In I. V. Darevsky (ed.), The Problems of Herpetology. Fifth Herpetological Conference. Abstracts 91–92
A. K. Rozhdestvensky. 1964. Novye dannye o mestonakhozhdeniyakh dinozavrov na territorii Kazakhstana i Srednei Azii [New data on occurrences of dinosaurs in Kazakhstan and Central Asia]. Tashkentskii Gosudarstvennyi Universitet, Nauchnye Trudy: Geologiya [Tashkent State University, Scientific Publications: Geology] 234:227-241

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