Ialovachsk Formation

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

Fossil content

Fossil dinosaur eggs as well as pterosaur, dinosaur, turtle and crocodyliforme remains have been recovered from the formation.

The following fossils have been reported from the formation:

• Eopelobates sp.
• Eoscapherpeton superum

• ?Kulbeckia kulbecke

• Squamata indet.

• Adocus foveatus
• Anatolemys maximus
• Lindholmemys gravis
• Shachemys baibolatica
• Trionyx kansaiensis
• T. riabinini

• cf. Alectrosaurus sp.
• Ankylosauridae indet.
• ?Ceratopsidae indet.
• Dromaeosauridae indet.
• Hadrosauridae indet.
• cf. Hypsilophodontidae indet.
• Kansaignathus sogdianus
• ?Neoceratopsia indet.
• Neosauropoda indet.
• Ornithomimidae indet.
• ?Oviraptoridae indet.
• Therizinosauridae indet.
• ?Theropoda indet.
• Troodontidae indet.
• Tyrannosauridae indet.

• Azhdarchidae indet.
• ?Azhdarcho sp.
• Aves indet.
• Kansajsuchus extensus
• ?Pterosauria indet.
• Tadzhikosuchus macrodentis

See also

• List of dinosaur-bearing rock formations
• List of stratigraphic units with dinosaur trace fossils
• Dinosaur eggs

References

Bibliography

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