InGen Database Description
The Bissekty Formation is located at the Dzharakuduk escarpment in the Kyzl Kum desert in Uzbekistan. It underlies the Aitym Formation and sits above the Dzheirantui Formation. The formation dates to the Turonian to Coniacian stages of the Late Cretaceous epoch, 90 million years ago. It comprises of two units:
This formation was formed from a coastal region from the receding sea of the earlier period, and then once again under the sea in the next. It is primarily composed of sandstone.
Some of the oldest ornithomimid theropod dinosaur remains are known from this site. It's also known as the richest site of Turonian terrestrial fauna known from Eurasia. Therian fauna including one stem marsupial are also common here.
A wide range of marine, freshwater, and terrestrial fossils have been recovered from this region. This includes arthropods, mollusks, turtles, amphibians, fish, crocodylomorphs, lizards, mammals and dinosaurs.
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- The Bissekty Formation is the only dig site is Uzberkistan and Central Asia generally.