Earth:Kaylaka Formation
From HandWiki
| Kaylaka Formation Stratigraphic range: Maastrichtian | |
|---|---|
| Type | Geological formation |
| Unit of | Eastern Fore-Balkan Zone |
| Underlies | Kamendel Formation |
| Overlies | Mezdren Formation and Dobrina Formation |
| Lithology | |
| Primary | Limestone |
| Location | |
| Coordinates | [ ⚑ ] : 43°09′N 26°32′E / 43.15°N 26.53°E |
| Region | Shumen Province and Vratsa Province |
| Country |  Bulgaria |
| Extent | Bisserna Cave and Labirinta Cave |
  Kaylaka Formation (Bulgaria) | |
The Kaylaka Formation,[1] also known as the Kajlâka Formation, is a Late Cretaceous (Maastrichtian)[2] geologic formation located within Bisserna Cave, Shumen,[3] and Labirinta Cave, Vratsa Province, both in Bulgaria.[1]
History
The first fossils found in the Kaylaka Formation were discovered in 1985 and were described in 2006.[1]
The hadrosauroid specimen discovered in 1985 was described in 2024.[4]
Paleofauna
- Anapachydiscus (Menuites) cf. terminus[1]
- Anomotodon sp.[1]
- Elasmosauridae? indet.[1]
- Hadrosauroidea indet.[4]
- Hemipneustes striatoradiatus[5][1]
- Hoploscaphites constrictus[1]
- Mosasauridae indet.[1]
- Mosasaurus cf. hoffmanni[1]
- Squalicorax pristodontus[1]
References
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 Jagt, John; Motchurova-Dekova, Neda; Ivanov, Plamen; Cappetta, Henri; Schulp, Anne (2006). "Latest Cretaceous mosasaurs and lamniform sharks from Labirinta cave, Vratsa District (northwest Bulgaria): A preliminary note". Annales géologiques de la péninsule balkanique (67): 51–63. doi:10.2298/gabp0667051j. ISSN 0350-0608. http://dx.doi.org/10.2298/gabp0667051j.
- ↑ Andreeva, Polina; Metodiev, Lubomir; Kiselinov, Hristo; Petrova, Silviya (2019-12-21). Campanian–Paleocene Carbonate Microfacies from the Sherbenski Dol Section (Eastern Fore-Balkan Mts, NE Bulgaria) – Preliminary Results (Report). "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences. doi:10.7546/crabs.2019.12.12. http://dx.doi.org/10.7546/crabs.2019.12.12.
- ↑ "Bisserna cave". https://www.tecnet.cz/index_en.php?page=view_en&id=212.
- ↑ 4.0 4.1 Nikolov, Vladimir; Dochev, Docho; Brusatte, Stephen L. (2024-01-01). "The ontogenetic status of a small hadrosauroid dinosaur from the uppermost Cretaceous of Bulgaria, and implications for the paleobiogeography and assembly of European island faunas" (in en). Cretaceous Research 157 (In press): 105819. doi:10.1016/j.cretres.2023.105819. Bibcode: 2024CrRes.15705819N. https://linkinghub.elsevier.com/retrieve/pii/S0195667123003476.
- ↑ "Hemipneustes striatoradiatus, Maastrichtian, Kaylaka Formation, Bulgaria". https://faopalfossils.com/Hemipneustes-striatoradiatus-Maastrichtian-Kaylaka.
See also
- List of dinosaur-bearing rock formations
- List of stratigraphic units with few dinosaur genera
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