Mali 8, Menaka: Maastrichtian, Mali
collected by Centre National de la Recherche Scientifique et Technologique du Mali and Stony Brook University 1999
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Knethichnus parallelum
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O'Leary et al. 2019 | |||||||||
| Isolated vertebral centrum from a dyrosaurid crocodyliform, CNRST-SUNY 335 | ||||||||||
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Lavocatodus giganteus
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O'Leary et al. 2019 | |||||||||
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Rhabdognathus keiniensis
Jouve 2007
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Hill et al. 2008 | 2 specimens | ||||||||
| CNRST SUNY 276 and 277 (two individuals preserving the caudal region of the skull roof) | ||||||||||
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= Hyposaurinae indet.
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Jouve et al. 2021 | |||||||||
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Chenanisuchus lateroculi
Jouve et al. 2005
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Hill et al. 2008 | 1 specimen | ||||||||
| CNRST SUNY 280 (frontoparietal portion of the skull roof with portions of the articulated prefrontals and supraoccipital elements) | ||||||||||
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= Dyrosauridae indet.
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Jouve et al. 2021 | |||||||||
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Reptilia
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Hyposaurinae indet.
Nopcsa 1928
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Hill et al. 2015 | 5 specimens | ||||||||
| CNRST–SUNY 285-287, 335 and 337 (fragmentary limb and vertebral remains) | ||||||||||
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Actinopteri
- Pycnodontiformes
- Pycnodontidae
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Pycnodus jonesae
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O'Leary et al. 2019 | |||||||||
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Pycnodus sp.
Agassiz 1833
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O'Leary et al. 2019 | |||||||||
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Actinopteri
- Perciformes
- Sparidae
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? Sparidae indet.
Bonaparte 1832
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O'Leary et al. 2019 | |||||||||
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Actinopteri
- Osteoglossiformes
- Osteoglossidae
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Brychaetus sp.
Agassiz 1845
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O'Leary et al. 2019 | |||||||||
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Chondrichthyes
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Neoselachii indet.
Compagno 1977
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Hill et al. 2015 | |||||||||
| Bite marks on the indeterminate hyposaurine remains | ||||||||||
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Chondrichthyes
- Myliobatiformes
- Myliobatidae
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Myliobatis wurnoensis
White 1934
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O'Leary et al. 2019 | |||||||||
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Cephalopoda
- Ammonitida
- Sphenodiscidae
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Libycoceras crossense
Zaborski 1982
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Claeson et al. 2010 | 1 specimen | ||||||||
| Unit 12 | ||||||||||
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unclassified
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Gastrochaenolites sp.
Leymerie 1842
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1 specimen | |||||||||
| CNRST-SUNY 184 | ||||||||||
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= Gastrochaenolites ornatus
Kelly and Bromley 1984
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O'Leary et al. 2019 | |||||||||
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Linichnus serratus
|
O'Leary et al. 2019 | |||||||||
| Located on postcranial elements of dyrosaurid crocodyliforms: CNRST-SUNY 285, 286, 287, 335. | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Mali |
| Coordinates: | 18.3° North, 2.0° East (view map) |
| Paleocoordinates: | 8.8° North, 2.4° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Maastrichtian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
| Formation: | Ménaka | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Iullemmeden basin; Bed at the 26 m level of the exposure | |||||
Lithology and environment
| Primary lithology: | phosphatic conglomerate |
| Includes fossils? | Y |
| Lithology description: phosphatic conglomerate that consists of lithoclasts, coprolitic clasts, and fragmented polished bone | |
| Environment: | marginal marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Feeding/predation traces: | tooth marks |
| Temporal resolution: | time-averaged |
Collection methods and comments
| Collection methods: | surface (float),field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | Centre National de la Recherche Scientifique et Technologique du Mali and Stony Brook University | Collection dates: | 1999 |
Metadata
| Also known as: | Iullemmeden basin | ||
| Database number: | 114954 | ||
| Authorizer: | P. Mannion, M. Carrano, E. Vlachos | Enterer: | P. Mannion, E. Vlachos, M. Carrano |
| Modifier: | M. Carrano | ||
| Created: | 2011-08-26 00:43:26 | Last modified: | 2021-10-05 12:21:33 |
| Access level: | the public | Released: | 2011-08-26 00:43:26 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 64684. | L. Tapanila, E. M. Roberts, M. L. Bouaré, F. Sissoko, and M. A. O'Leary. 2004. Bivalve Borings in Phosphatic Coprolites and Bone, Cretaceous-Paleogene, Northeastern Mali. Palaios 19(6):565-573 [M. Uhen/M. Uhen/M. Uhen] |
Secondary references:
| 65418 | K. M. Claeson, M. A. O'Leary, E. M. Roberts, F. Sissoko, M. Bouare and L. Tapanial. 2010. First Mesozoic record of the stingray Myliobatis wurnoensis from Mali and a phylogenetic analysis of Myliobatidae incorporating dental characters. Acta Palaeontologica Polonica [M. O'Leary/M. O'Leary] | |
| 37222 | R. V. Hill, J. A. McCartney, E. Roberts, M. Bouaré, F. Sissoko and M. A. O'Leary. 2008. Dyrosaurid (Crocodyliformes: Mesoeucrocodylia) fossils from the Upper Cretaceous and Paleogene of Mali: implications for phylogeny and survivorship across the K/T boundary. American Museum Novitates 3631:1-19 [P. Mannion/P. Mannion/M. Carrano] | |
| 56074 | R. V. Hill, E. M. Roberts, L. Tapanila, M. L. Bouaré, F. Sissoko and M. O'Leary. 2015. Multispecies shark feeding in the trans-saharan seaway: evidence from Late Cretaceous dyrosaurid (Crocodyliformes) fossils from northeastern Mali. Palaios 30(7):589-596 [P. Mannion/P. Mannion] | |
| 74135 | S. Jouve, C. de Muizon, R. Cespedes-Paz, V. Sossa-Soruco, and S. Knoll. 2021. The longirostrine crocodyliforms from Bolivia and their evolution through the Cretaceous–Palaeogene boundary. Zoological Journal of the Linnean Society 192(2):475-509 [P. Mannion/P. Mannion/P. Mannion] | |
| 69356 | M. A. O'Leary, M. L. Bouare, K. Heilbronn, R. V. Hill, J. McCartney, J. A. Sessa, F. Sissoko, L. Tapanila, E. Wheeler and E. M. Roberts. 2019. Stratigraphy and Paleobiology of the Upper Cretaceous - Lower Paleogene Sediments from the Trans-Saharan Seaway in Mali. Bulletin of the American Museum of Natural History 436:1-177 [E. Vlachos/E. Vlachos] |