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2024-03
Volume 10, issue 01
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ISSN: 2274-0422

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MorphoMuseuM Volume 10, issue 01
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Original article : type specimen

CT scan data for the original holotype of Hamadasuchus rebouli Buffetaut 1994
Yohan Pochat-Cottilloux Logo, Joël Lachambre Logo, Romain Amiot Logo and Jeremy E. Martin Logo
Published online: 06/02/2024

Keywords: Crocodylomorpha; CT scan; Hamadasuchus; Kem Kem; Morocco

https://doi.org/10.18563/journal.m3.222

References: 6

Cite this article: Yohan Pochat-Cottilloux, Joël Lachambre, Romain Amiot and Jeremy E. Martin, 2024. CT scan data for the original holotype of Hamadasuchus rebouli Buffetaut 1994. MorphoMuseuM e222. doi: 10.18563/journal.m3.222

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Abstract

The holotype of Hamadasuchus rebouli Buffetaut 1994 from the Kem Kem beds of Morocco (Late Albian – Cenomanian) consists of a left dentary which is limited, fragmentary and reconstructed in some areas. To aid in assessing if the original diagnosis can be considered as valid, the specimen was CT scanned for the first time. This is especially important to resolve the taxonomic status of certain specimens that have been assigned to Hamadasuchus rebouli since then. The reconstructed structures in this contribution are in agreement with the original description, notably in terms of alveolar count; thus the original diagnosis of this taxon remains valid and some specimens are not referable to H. rebouli anymore. 

Specimens and 3D Data

Hamadasuchus rebouli MDE C001 View specimen

M3#1402

Dentary and teeth

Type: "3D_surfaces"

doi: 10.18563/m3.sf.1402   state:published



Download 3D surface file

M3#1403

Toothmarks

Type: "3D_surfaces"

doi: 10.18563/m3.sf.1403   state:published



Download 3D surface file


 

Published in Volume 10, issue 01 (2024)

References

Buffetaut E. (1994). A new crocodilian from the Cretaceous of southern Morocco. Comptes rendus de l'Académie des sciences. Série 2. Sciences de la terre et des planètes, 319(12): 1563-1568.

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. https://doi.org/10.3897/zookeys.928.47517

Larsson H. C. & Sues H. D. (2007). Cranial osteology and phylogenetic relationships of Hamadasuchus rebouli (Crocodyliformes: Mesoeucrocodylia) from the Cretaceous of Morocco. Zoological Journal of the Linnean Society, 149(4): 533-567. https://doi.org/10.1111/j.1096-3642.2007.00271.x

Martin J. E. & De Lapparent De Broin F. (2016). A miniature notosuchian with multicuspid teeth from the Cretaceous of Morocco. Journal of Vertebrate Paleontology, 36(6): e1211534. https://doi.org/10.1080/02724634.2016.1211534

Pochat-Cottilloux Y., Perrier V., Amiot R. & Martin J. E. (2023). A peirosaurid mandible from the Albian-Cenomanian (Lower Cretaceous) of Algeria and the taxonomic content of Hamadasuchus (Crocodylomorpha, Peirosauridae). Papers in Palaeontology, 9(2): e1485. https://doi.org/10.1002/spp2.1485

Rauhut O. W. M. & Lopez-Arbarello A. (2005). Wirbeltierreste aus der “mittleren” Kreide des Kem Kem, Marokko. Freunde der Bayerischen Staatssamlung für Paläontologie und Geologie, Jahresbericht und Mitteilungen, 34: 41-45.

  
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