Wadi Abu Hashim: Campanian - Maastrichtian, Sudan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Serpentes
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Serpentes indet. "A"
Linnaeus 1758
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Serpentes indet. "B"
Linnaeus 1758
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Reptilia
- Madtsoiidae
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Madtsoiidae indet.
(Hoffstetter 1961)
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Reptilia
- Lapparentopheidae
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Lapparentophiidae sp. "A"
(Hoffstetter 1959)
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| misspelling Lapparentopheidae | |||||||
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Lapparentophiidae sp. "B"
(Hoffstetter 1959)
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| misspelling Lapparentopheidae | |||||||
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Reptilia
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Coniophis dabiebus n. sp.
Rage and Werner 1999
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| nomen dubium belonging to Serpentes | |||||||
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Coniophis cf. dabiebus
Rage and Werner 1999
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| nomen dubium belonging to Serpentes | |||||||
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Reptilia
- Palaeophiidae
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? Palaeophiidae indet.
(Lydekker 1888)
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Reptilia
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Colubroidea indet.
Oppel 1811
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Reptilia
- Russellophiidae
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Krebsophis thobanus n. gen., n. sp.
Rage and Werner 1999
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Reptilia
- Nigerophiidae
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Nubianophis afaahus n. gen., n. sp.
Rage and Werner 1999
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Nubianophis cf. afaahus
Rage and Werner 1999
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| see common names | |||||||
Geography
| Country: | Sudan |
| Coordinates: | 20.0° North, 30.0° East (view map) |
| Paleocoordinates: | 4.4° North, 24.7° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| *Period: | Middle - Late/Upper Cretaceous - Middle - Late/Upper Cretaceous | *Epoch: | Early/Lower - Middle Cenomanian - Early/Lower - Middle Cenomanian |
| Key time interval: | Campanian - Maastrichtian | ||
| Age range of interval: | 83.60000 - 66.00000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Wadi Milk | Member: | Wadi Abu Hashim | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Originally considered as Cenomanian, but now thought to be dated to the Campanian–Maastrichtian (Klein et al., 2016, and references therein) | |||||
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Includes fossils? | Y |
| Lithology description: "..characterized by very fine-grained sandstone, siltstone, and claystone showing such sedimentary features as horizontal- or ripple lamination, calcretes and mottling (Rage and Werner, 1999:86)" | |
| Environment: | lacustrine - large |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils,microfossils |
| Disassociated major elements: | all |
Collection methods and comments
| Collection excludes: | some macrofossils,some microfossils,species names |
| Collection methods: | bulk,surface (float),surface (in situ),sieve,field collection |
| Collection size: | 73 specimens |
| Reason for describing collection: | general faunal/floral analysis |
| Collection method comments: Collection derived from surface collection and screen washing of > 11 tons of matrix. | |
Metadata
| Database number: | 28491 | ||
| Authorizer: | J. Head | Enterer: | J. Head |
| Modifier: | M. Uhen | Research group: | vertebrate |
| Created: | 2003-02-17 22:24:48 | Last modified: | 2018-02-23 15:25:20 |
| Access level: | the public | Released: | 2003-02-17 22:24:48 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 7865. | J.-C. Rage and C. Werner. 1999. Mid-Cretaceous (Cenomanian) snakes from Wadi Abu Hashim, Sudan: The earliest snake assemblage. Palaeontologia Africana 35:85-110 [J. Head/J. Head/J. Alroy] |
Secondary references:
| 38031 | C. Werner and J. -C. Rage. 1994. Mid-Cretaceous snakes from Sudan. a preliminary report on an unexpectedly diverse snake fauna. Comptes Rendus de l'Academie des Sciences Serie II 319:247-252 [R. Benson/R. Benson/M. Uhen] |