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Yalovach_Formation Latitude and Longitude:
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
O
S
D
C
P
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N
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Type Geological formation
Lithology
Primary Sandstone
Other Conglomerate
Location
Coordinates 40°12′N 71°42′E / 40.2°N 71.7°E / 40.2; 71.7
Approximate paleocoordinates 34°54′N 65°48′E / 34.9°N 65.8°E / 34.9; 65.8
Region Jalal-Abad, Osh
Sughd
Fergana
Country  Kyrgyzstan
  Tajikistan
  Uzbekistan
Extent Fergana 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

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

References

  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

  • 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

  • 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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