Turgai Strait
The Turgai Strait, also known as the Turgay/Turgai Sea, Obik Sea, Ural Sea[1] or West Siberian Sea, was a large shallow body of salt water (an epicontinental or epeiric sea) during the Mesozoic through Cenozoic Eras. It extended north of the present-day Caspian Sea to the "paleo-Arctic" region, and was in existence from the Middle Jurassic to Oligocene, approximately 160 to 29 million years ago.[2]
The Turgai Strait was not absolutely continuous throughout this entire era, though it was a persistent and predominating feature in its region; it "fragmented southern Europe and southwestern Asia into many large islands, and separated Europe from Asia."[3]
The division of the Eurasian landmass by the Turgai Sea had the effect of isolating animal populations.[4]
The Turgai Strait derives its name from the Turgay Basin of modern-day Kazakhstan, where a stretch of the Turgai River flows.[5]
See also
[edit]
- Rheic Ocean – Ancient ocean which separated two major palaeocontinents, Gondwana and Laurussia
- Sundance Sea – Inland sea that existed in North America during the mid- to late Jurassic Period of the Mesozoic Era
- Tethys Ocean – Prehistoric ocean between Gondwana and Laurasia
References
[edit]- ^ Allaby, Michael (2020). A Dictionary of Geology and Earth Sciences (5 ed.). Oxford University Press. doi:10.1093/acref/9780198839033.001.0001. ISBN 978-0-19-883903-3.
- ^ Briggs, John C. Global Biogeography. Amsterdam, Elsevier Science, 1995; pp. 71, 76, 84, 88, and ff.
- ^ Duellman, William Edward. Biology of Amphibians. Baltimore, Johns Hopkins University Press, 1994; p. 480.
- ^ Duellman, William E. (1986). Biology of Amphibians. JHU Press. p. 479. ISBN 9780801847806.
Otherwise, most, if not all, continental masses were united into a single land mass — Pangaea. ... (M) Leiopelmatidae (L) Discoglossidae (U) Palaeobatrachidae (U) Cretaceous, 135 m.y. Turgai Sea separated east and west Eurasia
- ^ Tectonic units and division of the South Turgay Basin.
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