Bahr el Ghazal (KT 12): Piacenzian, Chad
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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cf. Tomistoma sp.
Müller 1846
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Reptilia
- Testudines
- Testudinidae
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Geochelone sp.
Fitzinger 1835
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Reptilia
- Testudines
- Trionychidae
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Trionyx sp.
Geoffroy Saint-Hilaire 1809
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Mammalia
- Proboscidea
- Elephantidae
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Loxodonta exoptata
Dietrich 1941
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Mammalia
- Perissodactyla
- Equidae
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Hipparion cf. afarense
Eisenmann 1976
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| recombined as Eurygnathohippus afarense | ||||||||||
| ETE occurrence; species: or hasumense | ||||||||||
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Mammalia
- Perissodactyla
- Rhinocerotidae
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Ceratotherium cf. praecox
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Mammalia
- Hippopotamidae
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cf. Hexaprotodon protoamphibius
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| ETE occurrence; species: or turkanensis | ||||||||||
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Mammalia
- Suidae
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Kolpochoerus afarensis
Cooke 1978
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Mammalia
- Giraffidae
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Sivatherium sp.
Falconer and Cautley 1836
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Mammalia
- Bovidae
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Bovidae indet.
Gray 1821
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| ETE occurrence; species: Siluriformes-large | ||||||||||
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Alcelaphini indet.
Brookes 1876
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| ETE occurrence; species: Alcelaphini | ||||||||||
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Kobus sp.
Smith 1840
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Bovini indet.
Gray 1821
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| ETE occurrence; species: Bovini | ||||||||||
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Mammalia
- Primates
- Hominidae
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Australopithecus afarensis
Johanson et al. 1978
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| see common names | ||||||||||
Geography
| Country: | Chad |
| Coordinates: | 16.0° North, 18.9° East (view map) |
| Paleocoordinates: | 15.9° North, 18.7° East |
Time
| Period: | Neogene | Epoch: | Pliocene |
| Stage: | Piacenzian | 10 m.y. bin: | Cenozoic 6 |
| *International age/stage: | Piacenzian - Piacenzian | ||
| Key time interval: | Piacenzian | ||
| Age range of interval: | 3.60000 - 2.58000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Stratigraphy comments: ETE dating method: composite, ETE age comment: based on comparison of fauna with Hadar, ages based on Hadar dates radiometric intage_max, radiometric intage_min |
Lithology and environment
| Primary lithology: | sandstone |
| Lithology description: ETE rock type adj: fine grained, ETE lithology comments: abundant quartz, some potash feldspar hydrated sodium, strongly corroded quartz, quartz with undulatory extinction | |
| Environment: | fluvial-lacustrine indet. |
| Geology comments: ETE sed env 1: fluv_lacustr, ETE sed env 2: lake_margin ETE event: ., ETE env comment: evaporation during dry episodes, periodic streams | |
Taphonomy
Collection methods and comments
| Collection methods: | selective quarrying,surface (in situ) |
| Collection size: | 0 specimens |
| Collection method comments: ETE Size: .; ETE reference list: 487, 485, 482, 481, 480, 479, 478, 477, 454, 81, ; ETE museum list: | |
Metadata
| Also known as: | ETE Locality 782, Bahr el Ghazal (KT 12), | ||
| Database number: | 21962 | ||
| Authorizer: | A. Behrensmeyer | Enterer: | A. Behrensmeyer |
| Modifier: | M. Kosnik | ||
| Created: | 1997-08-18 00:00:00 | Last modified: | 2002-06-25 21:59:02 |
| Access level: | the public | Released: | 1997-08-18 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 5264. | ETE 976 | M. Brunet, A. Beauvilain, Y. Coppens, E. Heintz, A. H. E. Moutaye and D. Pilbeam. 1995. The first australopithecine 2500 kilometres west of the Rift Valley (Chad). Nature 378:273-275 [A. Behrensmeyer/A. Behrensmeyer/M. Kosnik] |