Ialovachsk Formation

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Coordinates: 40°12′N 71°42′E / 40.2°N 71.7°E / 40.2; 71.7
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Ialovachsk Formation
Stratigraphic range: Santonian
85 Ma
↓
TypeGeological formation
Lithology
PrimarySandstone
OtherConglomerate
Location
Coordinates40°12′N 71°42′E / 40.2°N 71.7°E / 40.2; 71.7
Approximate paleocoordinates34°54′N 65°48′E / 34.9°N 65.8°E / 34.9; 65.8
RegionJalal-Abad, Osh
Sughd
Fergana
Country Kyrgyzstan
 Tajikistan
 Uzbekistan
ExtentFergana Valley & Range
Ialovachsk Formation is located in Kyrgyzstan
Ialovachsk Formation
Ialovachsk Formation
Ialovachsk Formation
Ialovachsk Formation
Ialovachsk Formation
Ialovachsk Formation
Ialovachsk Formation
Ialovachsk Formation
Ialovachsk Formation (Kyrgyzstan)

The Ialovachsk or Yalovach Formation is a geologic formation in Kyrgyzstan, Tajikistan and Uzbekistan dating to the Santonian age of the Cretaceous period. [1]

Fossil content[edit]

Fossil dinosaur eggs[1] as well as pterosaur, dinosaur,[2][3] turtle[4] and crocodyliforme[5][6] remains have been recovered from the formation.[7]

The following fossils have been reported from the formation:

Amphibians
Mammals
Turtles
Dinosaurs
Other reptiles

See also[edit]

References[edit]

  1. ^ a b Weishampel et al., 2004, pp.517-607
  2. ^ Alifanov, V. R.; Averianov, A. O. (January 2006). "On the finding of ornithomimid dinosaurs (Saurischia, Ornithomimosauria) in the Upper Cretaceous beds of Tajikistan". Paleontological Journal. 40 (1): 103–108. doi:10.1134/s0031030106010126. ISSN 0031-0301. S2CID 140673522.
  3. ^ Averianov, A. O.; Alifanov, V. R. (September 2012). "New data on duck-billed dinosaurs (Ornithischia, Hadrosauridae) from the upper cretaceous of Tajikistan". Paleontological Journal. 46 (5): 512–519. doi:10.1134/s0031030112050036. ISSN 0031-0301. S2CID 140665908.
  4. ^ Vitek, Natasha S.; Danilov, Igor G. (2010-03-24). "New material and a reassessment of soft-shelled turtles (Trionychidae) from the Late Cretaceous of Middle Asia and Kazakhstan" (PDF). Journal of Vertebrate Paleontology. 30 (2): 383–393. doi:10.1080/02724631003617548. ISSN 0272-4634. S2CID 83498792.
  5. ^ Kuzmin, Ivan T.; Skutschas, Pavel P.; Boitsova, Elizaveta A.; Sues, Hans-Dieter (2018). "Revision of the large crocodyliform Kansajsuchus (Neosuchia) from the Late Cretaceous of Central Asia". Zoological Journal of the Linnean Society. 185 (2): 335–387. doi:10.1093/zoolinnean/zly027.
  6. ^ Storrs, Glenn W.; Efimov, Mikhail B. (2000). "Mesozoic crocodyliforms of north-central Eurasia". In Benton, Michael J.; Shishkin, Mikhail A.; Unwin, David M.; Kurochkin, Evgenii N. (eds.). The Age of Dinosaurs in Russia and Mongolia. Cambridge: Cambridge University Press. pp. 402–419. ISBN 978-0-521-55476-3.
  7. ^ Yalovach Formation at Fossilworks.org

Bibliography[edit]

  • Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2

Further reading[edit]

  • I. G. Danilov, V. B. Sukhanov, and E. V. Syromyatnikova. 2011. New Asiatic materials on turtles of the family Adocidae with a review of the adocid record in Asia. Proceedings of the Zoological Institute, Russian Academy of Sciences 315(2):101-132
  • N. N. Bakhurina and D. M. Unwin. 1995. a survey of pterosaurs from the Jurassic and Cretaceous of the former Soviet Union and Mongolia. Historical Biology 10:197-245
  • 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
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