| Concavotectum Temporal range:
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|---|---|
Scientific classification
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | † Tselfatiiformes |
| Family: | † Plethodidae |
| Genus: | †
Concavotectum Cavin & Forey, 2008 |
| Species: | †C. moroccensis
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| Binomial name | |
| †Concavotectum moroccensis Cavin & Forey, 2008 vide Cavin et al., 2010
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| Synonyms | |
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Concavotectum is an extinct genus of freshwater plethodid ray-finned fish that lived during the Cenomanian in Morocco and possibly Egypt. [1] [2] It was discovered and named in 2008 and is known from a single well preserved hand-sized skull and a few isolated vertebrae discovered in the Kem Kem Group ( Gara Sbaa Formation). [1] [3] [4] The type species, C. moroccensis, was named in 2008 [3] and described in 2010. [1]
A possible second and third specimen, found in the Baharija Formation, consists of a 2 skulls and several vertebra, which were all destroyed on the night of 24-25 April 1940, during the Bombing of Munich in World War II. They are currently the holotype of the possible synonym Paranogmius. [5] Some differences are evident between the surviving illustrations of Paranogmius and the skull of Concavotectum, so they are tentatively considered distinct genera, and a new genus is still necessary given the destruction of the former type specimens. [3]
References
- ^ a b c Cavin L, Tong H, Boudad L, Meister C, Piuz A, Tabouelle J, et al. (2010) Vertebrate assemblages from the early Late Cretaceous of southeastern Morocco: An overview. Journal of African Earth Sciences Geological Society of Africa Presidential Review No 16 57: 391–412.
- ^ "Crossognathiformes". Paleobiology Database. Retrieved July 11, 2013.
- ^ a b c Mesozoic Fishes 4 (2008) - Homology and Phylogeny, Chapter: A new tselfatiiform teleost from the Upper Cretaceous (Cenomanian) of the Kem Kem beds, Southern Morocco, Publisher: Verlag Dr. F. Pfeil, Editors: Gloria Arratia, Hasn-Peter Schiultze, Mark V. H. Wilson, pp.199-216
- ^ Ibrahim, N.; Sereno, P.C.; Varricchio, D.J.; Martill, D.M.; Dutheil, D.B.; Unwin, D.M.; Baidder, L.; Larsson, H.C.E.; Zouhri, S.; Kaoukaya, A. (2020). "Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco". ZooKeys (928): 1–216. doi: 10.3897/zookeys.928.47517. PMC 7188693. PMID 32362741.
- ^ Weiler, W. (1935). Ergebnisse der Forschungsreisen Prof. Stromers in den Wusten Aegyptens. II. Wirbeltierreste der Baharije-Stufe (unterstes Cenoman). 16. Neue Untersuchungen an den Fischresten. Abhandlungen der Bayerischen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Abteilung, 32, pls-1.
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