Earth:Dzunbain Formation

From HandWiki
Dzunbain Formation
Stratigraphic range: Aptian–Albian
TypeGeological formation
Sub-units
  • Chamrin-Us Member
  • Khovboor Member
Thicknessup to 60 metres (200 ft) at Chamrin-Us
Lithology
PrimaryClaystone and sandstone
Location
Coordinates [ ⚑ ] : 42°27′00″N 102°25′01″E / 42.45°N 102.417°E / 42.45; 102.417
RegionErdene District, Dornogovi Province, Mongolia
CountryMongolia

The Dzunbain Formation (also known as Dzunbayn Formation) is a geological formation in Mongolia, dating to the Early Cretaceous (Aptian-Albian).[1] The formation contains fossils of mammals, reptiles, turtles and dinosaurs. The Dzunbain Formation is equivalent to the Khuren Dukh Formation.[2]

Paleobiota of the Dzunbain Formation

Amphibians

Genus Species Location Stratigraphic position Material Notes Image
Eodiscoglossus[3] E. sp.[3] Khovboor

Squamates

Genus Species Location Stratigraphic position Material Notes Image
Dorsetisaurus[4] D. sp.[4] Khovboor
Hoburogekko[5] H. suchanovi[5] Khovboor "A partial skull."[5]
Hodzhakulia[4] H. sp.[4] Khovboor
Iguania[4] Indeterminate[4] Khovboor
Lacertilia[4] Indeterminate[4] Khovboor
Paramacellodidae[4] Indeterminate[4] Khovboor
Priscagamidae[4] Indeterminate[4] Khovboor
Slavoia[4] S. sp.[4] Khovboor
Xantusiidae[4] Indeterminate[4] Khovboor
Xenosauridae[4] Indeterminate[4] Khovboor

Mammals

Genus Species Location Stratigraphic position Material Notes Image
Arginbaatar[6] A. dimitrievae[6] Khovboor
Arguimus[7] A. khosbajari[7] Khovboor
Eobaatar[8] E. magnus and E. minor[8] Khovboor "Lower jaw fragment (E. magnus)."[8]
Gobiconodon[9] G. borissiaki and G. hobuvensis[9] Khovboor "Both species known only from cranial remains."[9] frameless
Gobiotheriodon[10] G. infinitus[10] Khovboor Previously known as "Gobiodon".[10]
Heptoconodon Indeterminate Khovboor
Hovurlestes[11] H. noyon[11] Khovboor
Kielantherium[12] K. gobiensis[12] Khovboor
Monobaatar[8] M. mimicus[8] Khovboor
Prokennolestes[13] P. minor, P. sp. and P. trofimovi[13] Khovboor
Plagiaulacidae[8] Indeterminate[8] Khovboor

Turtles

Genus Species Location Stratigraphic position Material Notes Image
Hangaiemys[14] H. hoburensis[14] Khovboor
Mongolemys[14] M. sp.[14] Khovboor

Dinosaurs

Genus Species Location Stratigraphic position Material Notes Image
Mongolostegus[15] M. exspectabilis[15] Chamrin-Us "Posterior dorsal and anterior caudal vertebrae as well as pelvic material."[15] Previously known as Wuerhosaurus mongoliensis.[16] One of the last surviving stegosaurs.[15]
Psittacosauridae[17] Indeterminate[17] Chamrin-Us
Psittacosaurus[18] P. mongoliensis[18] Khovboor
Sauropoda Indeterminate Chamrin-Us and Khovboor
Shamosaurus[2] S. scutatus[2] Chamrin-Us and Khovboor "A complete skull, lower jaws and partial postcranial skeleton with armor. Also referred are a skull piece, lower jaw and two cervical halfrings."[19]
Stegosauridae[15] Indeterminate[15] Chamrin-Us One of the last surviving stegosaurs.[15]
Troodontidae[20] Indeterminate[20] Chamrin-Us

See also

  • List of dinosaur-bearing rock formations

References

  1. ↑ Shuvalov V. F. (1974) O geologicheskom stroenii i vozraste mestonakhozhdenii Khobur i Khuren-Dukh [On the geology and age of the Khobur and Khuren-Dukh localities], Mesozoic and Cenozoic Faunas and Biostratigraphy of Mongolia; The Joint Soviet-Mongolian Paleontological Expedition, Transactions 1, 296-304
  2. ↑ 2.0 2.1 2.2 T.A. Tumanova, (1983), "Pervyy ankilozavr iz nizhnego mela Mongolii", In: L.P. Tatarinov, R. Barsbold, E. Vorobyeva, B. Luvsandanzan, B.A. Trofimov, Yu. A. Reshetov, & M.A. Shishkin (eds.), Iskopayemyye reptilii mongolii. Trudy Sovmestnaya Sovetsko-Mongol'skaya Paleontologicheskaya Ekspeditsiya 24: 110-118
  3. ↑ 3.0 3.1 Shishkin M. A. (2000) Mesozoic amphibians from Mongolia and the Central Asiatic republics, The Age of Dinosaurs in Russia and Mongolia, 297-308
  4. ↑ 4.00 4.01 4.02 4.03 4.04 4.05 4.06 4.07 4.08 4.09 4.10 4.11 4.12 4.13 4.14 4.15 4.16 4.17 Alifanov V. R. (2000) The fossil record of Cretaceous lizards from Mongolia, The Age of Dinosaurs in Russia and Mongolia, 368-389
  5. ↑ 5.0 5.1 5.2 Alifanov, V.R. (1989) The oldest gecko (Lacertilia, Gekkonidae) from the Lower Cretaceous of Mongolia. Paleontologicheskii Zhurnal 1989:124–126. [in Russian].
  6. ↑ 6.0 6.1 Trofimov (1980) Multituberculata and Symmetrodonta from the Lower Cretaceous deposits in Mongolia. Trans. (Dokl) USSR Acad Sci, Earth Sci Sect 251. p. 188-191.
  7. ↑ 7.0 7.1 D. Dashzeveg. (1979). Arguimus khosbajari gen. n, sp. n (Peramuridae, Eupantotheria) from the Lower Cretaceous of Mongolia. Acta Palaeontologica Polonica 24(2):199-204
  8. ↑ 8.0 8.1 8.2 8.3 8.4 8.5 8.6 Kielan-Jaworowska et al. (1987), "Early Cretaceous multituberculates from Mongolia and a comparison with Late Jurassic form". Acta Palaeontologica Polonica 32, p. 3-47.
  9. ↑ 9.0 9.1 9.2 Lopatin, Alexey; Averianov, Alexander (2015). "Gobiconodon (Mammalia) from the Early Cretaceous of Mongolia and Revision of Gobiconodontidae" (in en). Journal of Mammalian Evolution 22 (1): 17–43. doi:10.1007/s10914-014-9267-4. ISSN 1064-7554. http://link.springer.com/10.1007/s10914-014-9267-4. 
  10. ↑ 10.0 10.1 10.2 B. A. Trofimov. (1997). A new generic name Gobiotheriodon for a symmetrodont mammal Gobiodon Trofimov, 1980. Acta Palaeontologica Polonica 42(4):496
  11. ↑ 11.0 11.1 Lopatin, A. V.; Averianov, A. O. (2018). "A New Stem Placental Mammal from the Early Cretaceous of Mongolia". Doklady Biological Sciences 478 (1): 8–11. doi:10.1134/s0012496618010027. ISSN 0012-4966. http://dx.doi.org/10.1134/s0012496618010027. 
  12. ↑ 12.0 12.1 D. Dashzeveg. (1975). New primitive therian from the early Cretaceous of Mongolia. Nature 256:402-403
  13. ↑ 13.0 13.1 Z. Kielan-Jaworowska and D. Dashzeveg. (1989). Eutherian mammals from the Early Cretaceous of Mongolia. Zoologica Scripta 18(2):347-355
  14. ↑ 14.0 14.1 14.2 14.3 V. B. Sukhanov. (2000). Mesozoic turtles of Middle and Central Asia. In M. J. Benton, M. A. Shishkin, D. M. Unwin, & E N. Kurichkin (eds.), The Age of Dinosaurs in Russia and Mongolia
  15. ↑ 15.0 15.1 15.2 15.3 15.4 15.5 15.6 T. A. Tumanova & V. R. Alifanov (2018) First Record of Stegosaur (Ornithischia, Dinosauria) from the Aptian-Albian of Mongolia. Paleontological Journal 52(14) DOI: https://doi.org/10.1134/S0031030118140186 https://link.springer.com/article/10.1134/S0031030118140186
  16. ↑ Ulansky, Roman. E. (2014). "Evolution of the stegosaurs (Dinosauria; Ornithischia). Dinologia" (in ru). pp. 35. http://dinoweb.narod.ru/Ulansky_2014_Stegosaurs_evolution.pdf. 
  17. ↑ 17.0 17.1 Suslov Y. V., Barsbold R. (1983) Zakhoroneniye psittakozavrov v Khamryn-us (Vostochnaya Gobi, MNR), Trudy - Sovmestnaya Sovetsko-Mongol'skaya Paleontologicheskaya Ekspeditsiya 24, 118-120
  18. ↑ 18.0 18.1 Kalandadze N. N., Kurzanov S. M. (1974) Nizhnemelove mestonakhozhdeniya nazemnykh pozvonochnykh Mongolii [Lower Cretaceous terrestrial vertebrate localities of Mongolia], Mesozoic and Cenozoic Faunas and Biostratigraphy of Mongolia. The Joint Soviet-Mongolian Paleontological Expedition, Transactions 1, 288-295
  19. ↑ Arbour, Victoria Megan, (2014). Systematics, evolution, and biogeography of the ankylosaurid dinosaurs. Ph.D thesis, University of Alberta
  20. ↑ 20.0 20.1 Barsbold R., Osmólska H., et al (1987) On a new troodontid (Dinosauria, Theropoda) from the Early Cretaceous of Mongolia, Acta Palaeontologica Polonica 32 1-2, 121-132



Retrieved from "https://handwiki.org/wiki/index.php?title=Earth:Dzunbain_Formation&oldid=3994233"