Ksar_Metlili_Formation
Ksar Metlili Formation
Geological formation in Morocco
The Ksar Metlili Formation is a geological formation in eastern High Atlas of Morocco, it is late Tithonian to Berriasian in age. It is approximately 80 metres (260 ft) thick and primarily consists of mudstone and sandstone, with thin calcareous beds.[1] One of these calcareous beds near the middle of the sequence is an important microvertebrate locality.[2] Subsequent to the original site, several other localities have been sampled. The depositional environment is thought to be near shore deltaic.[3]
Quick Facts Type, Unit of ...
| Ksar Metlili Formation | |
|---|---|
| Stratigraphic range: Late Tithonian to Early Berriasian | |
| Type | Geological formation |
| Unit of | Moroccan Red Beds |
| Underlies | Dekkar Group |
| Overlies | Anoual Formation |
| Thickness | ~80 m (260 ft) |
| Lithology | |
| Primary | Mudstone, sandstone |
| Other | Limestone, marl, calcarenite |
| Location | |
| Coordinates | 32.7°N 3.1°W / 32.7; -3.1 |
| Approximate paleocoordinates | 25.1°N 1.9°E / 25.1; 1.9 |
| Region | Figuig Province |
| Country |  Morocco |
| Extent | High Atlas |
| Type section | |
| Named for | Ksar Met Lili Fort |
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Amphibians
More information Amphibians of the Ksar Metlili Formation, Genus ...
| Amphibians of the Ksar Metlili Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Abundance | Notes | Images |
| Anoualerpeton[4] | A. unicus | "Right premaxilla missing most of pars palatinum and lateralmost part of pars dentalis, with preserved tooth row containing three broken teeth and five tooth slots" | Albanerpetontid | |||
| Aygroua[5] | A. anoualensis | Frog | ||||
| aff. Enneabatrachus[5] | Indeterminate | Discoglossid Frog | ||||
| Rubricacaecilia[6] | R. monbaroni | Nearly complete right pseudodentary, partial left pseudodentaries, partial right pseudangular, partial palatine, atlas, postcranial vertebrae | Stem-caecilian | |||
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Lepidosaurs
More information Lepidosaurs of the Ksar Metlili Formation, Genus ...
| Lepidosaurs of the Ksar Metlili Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Abundance | Notes | Images |
| Paramacellodus | P. marocensis | Left dentary with 12 teeth | Lizard | |||
| Tarratosaurus | T. anoualensis | Lizard | ||||
| Tingitana | T. anoualae | Sphenodontid | ||||
| Sphenodontia | Indeterminate | Distinct from Tingitana | ||||
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Dinosaurs
More information Dinosaurs of the Ksar Metlili Formation, Genus ...
| Dinosaurs of the Ksar Metlili Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Abundance | Notes | Images |
| Theropoda[7] | Indeterminate | Teeth | ||||
| Maniraptoriformes[7] | Indeterimnate | Teeth | ||||
| Dromeosauridae[7] | Indeterminate | Teeth | ||||
| Ornithischia | Indeterminate | |||||
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Mammals
More information Mammals of the Ksar Metlili Formation, Genus ...
| Mammals of the Ksar Metlili Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Abundance | Notes | Images |
| Afriquiamus | A. nessovi | Peramurid | ||||
| Atlasodon[8] | A. monbaroni | Theriiform | ||||
| Denisodon | D. moroccensis | Haramiyidan | ||||
| Donodon[8] | D. prescriptoris, D. minor | Donodontid | ||||
| Stylodens | S. amerrukensis | |||||
| Anoualestes | A. incidens | |||||
| Amazighodon | A. orbis | |||||
| Dyskritodon[9] | D. amazighi | KM 1983 | Eutriconodontan | |||
| Gobiconodon | G. palaios | KM 1983 | Eutriconodontan | |||
| Hahnodon | H. taqueti | Haramiyidan | ||||
| Hypomylos | H. phelizoni, H. micros | |||||
| Ichthyoconodon[9] | I. jaworowskorum | Volaticothere | ||||
| Kryptotherium | K. polysphenos | Eutriconodonta | ||||
| Microderson[8] | M. laaroussii | |||||
| Minimus | M. richardfoxi | |||||
| Peramus | Indeterminate | |||||
| Thereuodon | T. dahmani | |||||
| Tribotherium | T. africanum | |||||
| Amphilestidae | Indeterimate | |||||
| Dryolestidae | Indeterminate | |||||
| cf. Cynodontia[10] | Indeterminate | KM-B' | Two morphotypes, non tritylodontid | |||
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- Haddoumi, Hamid; Allain, Ronan; Meslouh, Said; Metais, Grégoire; Monbaron, Michel; Pons, Denise; Rage, Jean-Claude; Vullo, Romain; Zouhri, Samir (January 2016). "Guelb el Ahmar (Bathonian, Anoual Syncline, eastern Morocco): First continental flora and fauna including mammals from the Middle Jurassic of Africa" (PDF). Gondwana Research. 29 (1): 290–319. Bibcode:2016GondR..29..290H. doi:10.1016/j.gr.2014.12.004. ISSN 1342-937X.
- "Ksar Met-Lili, Anoual". Paleobiology Database. Retrieved 24 August 2018.
- Lasseron, Maxime; Allain, Ronan; Gheerbrant, Emmanuel; Haddoumi, Hamid; Jalil, Nour-Eddine; Métais, Grégoire; Rage, Jean-Claude; Vullo, Romain; Zouhri, Samir (March 2020). "New data on the microvertebrate fauna from the Upper Jurassic or lowest Cretaceous of Ksar Metlili (Anoual Syncline, eastern Morocco)". Geological Magazine. 157 (3): 367–392. Bibcode:2020GeoM..157..367L. doi:10.1017/S0016756819000761. ISSN 0016-7568. S2CID 204263709.
- Jones, M.E.H.; Evans, S. E.; Sigogneau-Russell, D. (2003). "Early Cretaceous frogs from Morocco". Annals of Carnegie Museum. 72 (2): 65–97. doi:10.5962/p.215089. S2CID 88962907.
- Evans, Susan E.; Sigogneau-Russell, Denise (March 2001). "A stem-group caecilian (Lissamphibia: Gymnophiona) from the Lower Cretaceous of North Africa". Palaeontology. 44 (2): 259–273. doi:10.1111/1475-4983.00179. ISSN 0031-0239.
- Knoll, F.; Ruiz-Omeñaca, J. I. (July 2009). "Theropod teeth from the basalmost Cretaceous of Anoual (Morocco) and their palaeobiogeographical significance". Geological Magazine. 146 (4): 602–616. Bibcode:2009GeoM..146..602K. doi:10.1017/S0016756809005950. ISSN 0016-7568. S2CID 128877571.
- D. Sigogneau-Russell. 1991. Nouveaux Mammiferes theriens du Cretace inferieur du Maroc. Comptes-Rendus de l'Academis des Sciences du Paris, series II 313:279-285
- Sigogneau-Russell D (1995). "Two possibly aquatic triconodont mammals from the Early Cretaceous of Morocco". Acta Palaeontologica Polonica. 40 (2): 149–162. ISSN 0567-7920. OCLC 5866546938.
- Lasseron, Maxime (October–November 2019). "Enigmatic teeth from the Jurassic–Cretaceous transition of Morocco: The latest known non-mammaliaform cynodonts (Synapsida, Cynodontia) from Africa?". Comptes Rendus Palevol. 18 (7): 897–907. doi:10.1016/j.crpv.2019.05.002.