| Quseir Formation | |
|---|---|
| Stratigraphic range: Campanian ~ | |
| Type | Geological formation |
| Sub-units | Mut & El Hindaw Members |
| Underlies | Duwi Formation |
| Overlies | Unconformity with Taref Formation |
| Thickness | at least 250 metres (820 ft) |
| Lithology | |
| Primary | Shale |
| Other | Sandstone, siltstone, phosphorite |
| Location | |
| Location | Al Wadi al Jadid, New Valley |
| Coordinates | 25°36′N 29°06′E / 25.6°N 29.1°E |
| Approximate paleocoordinates | 9°18′N 24°54′E / 9.3°N 24.9°E |
| Region | Kharga Oasis |
| Country |  Egypt |
  Quseir Formation (Egypt) | |
The Quseir Formation is a geological formation in the vicinity of the Kharga Oasis in Egypt.[1] It is Campanian In age.[2] The lithology largely consists of soft shale with hard bands of sandstone, siltstone and phosphorite.[3] The environment of deposition was nearshore to freshwater fluvio-lacustrine characterized by moist and aquatic habitats with a tropical warm-humid climate. It is conformably overlain by the marine late Campanian-Maastrichtian Duwi Formation, and unconformably overlies the Turonian Taref Formation. The sauropod dinosaurs Mansourasaurus and Igai are known from the formation,[4][5] as well as the proximal fibula of an indeterminate theropod.[6] Additionally the lungfish genera Lavocatodus and Protopterus,[7] the crocodyliform Wahasuchus[8] and the bothremydid turtle Khargachelys are also known.[9]
References
- ↑ Quseir Formation at Fossilworks.org
- ↑ Mahmoud, Magdy S. (April 2003). "Palynology and palaeoenvironment of the Quseir Formation (Campanian) from central Egypt". Journal of African Earth Sciences. 36 (3): 135–148. Bibcode:2003JAfES..36..135M. doi:10.1016/s0899-5362(03)00047-2. ISSN 1464-343X.
- ↑ Sallam, Hesham M.; O'Connor, Patrick M.; Kora, Mahmoud; Sertich, Joseph J.W.; Seiffert, Erik R.; Faris, Mahmoud; Ouda, Khaled; El-Dawoudi, Iman; Saber, Sara (May 2016). "Vertebrate paleontological exploration of the Upper Cretaceous succession in the Dakhla and Kharga Oases, Western Desert, Egypt". Journal of African Earth Sciences. 117: 223–234. Bibcode:2016JAfES.117..223S. doi:10.1016/j.jafrearsci.2016.01.022. ISSN 1464-343X.
- ↑ Sallam, Hesham M.; Gorscak, Eric; O’Connor, Patrick M.; El-Dawoudi, Iman A.; El-Sayed, Sanaa; Saber, Sara; Kora, Mahmoud A.; Sertich, Joseph J. W.; Seiffert, Erik R. (2018-01-29). "New Egyptian sauropod reveals Late Cretaceous dinosaur dispersal between Europe and Africa". Nature Ecology & Evolution. 2 (3): 445–451. doi:10.1038/s41559-017-0455-5. ISSN 2397-334X. PMID 29379183. S2CID 3375335.
- ↑ Gorscak, Eric; Lamanna, Matthew C.; Schwarz, Daniela; Díaz, Verónica díez; Salem, Belal S.; Sallam, Hesham M.; Wiechmann, Marc Filip (2023-07-20). "A new titanosaurian (Dinosauria: Sauropoda) from the Upper Cretaceous (Campanian) Quseir Formation of the Kharga Oasis, Egypt". Journal of Vertebrate Paleontology. doi:10.1080/02724634.2023.2199810. ISSN 0272-4634.
- ↑ Salem, Belal S.; O'Connor, Patrick M.; Gorscak, Eric; El-Sayed, Sanaa; Sertich, Joseph J.W.; Seiffert, Erik; Sallam, Hesham M. (2021-07-01). "Dinosaur remains from the Upper Cretaceous (Campanian) of the Western Desert, Egypt". Cretaceous Research. 123: 104783. Bibcode:2021CrRes.12304783S. doi:10.1016/j.cretres.2021.104783. ISSN 0195-6671. S2CID 233900405.
- ↑ Claeson, Kerin M; Sallam, Hesham M; O'Connor, Patrick M.; Sertich, Joseph J. W. (2014). "A revision of the Upper Cretaceous lepidosirenid lungfishes from the Quseir Formation, Western Desert, central Egypt". Journal of Vertebrate Paleontology. 34 (4): 760–766. Bibcode:2014JVPal..34..760C. doi:10.1080/02724634.2014.838574. S2CID 17120150.
- ↑ Saber, Sara; Sertich, Joseph J.W.; Sallam, Hesham M.; Ouda, Khaled A.; O'Connor, Patrick M.; Seiffert, Erik R. (October 2018). "An enigmatic crocodyliform from the Upper Cretaceous Quseir Formation, central Egypt". Cretaceous Research. 90: 174–184. Bibcode:2018CrRes..90..174S. doi:10.1016/j.cretres.2018.04.004. ISSN 0195-6671.
- ↑ AbdelGawad, Mohamed; Pérez-García, Adán; Hirayama, Ren; Mohesn, Sara; Tantawy, Abdel-Aziz; Abu El-Kheir, Gebely (February 2023). "The First Side-Necked Turtle (Pleurodira, Bothremydidae) from the Campanian (Late Cretaceous) of Egypt". Diversity. 15 (2): 284. doi:10.3390/d15020284. ISSN 1424-2818.
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