Dwa 7b, Tendaguru: Tithonian, Tanzania
collected by German-Tanzanian Tendaguru Expedition 2000
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Actinopterygii
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Actinopterygii indet.
Cope 1887
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| scales | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Tanzania | State/province: | Lindi |
| Coordinates: | 9.7° South, 39.2° East (view map) | ||
| Paleocoordinates: | 29.9° South, 17.0° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Late/Upper Jurassic |
| Stage: | Tithonian | 10 m.y. bin: | Jurassic 6 |
| Key time interval: | Tithonian | ||
| Age range of interval: | 149.20000 - 145.00000 m.y. ago |
Stratigraphy
| Formation: | Tendaguru | Member: | Upper Dinosaur |
| Local section: | Diwanika | Local bed: | 7b |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | current ripples,fine sandstone |
| Includes fossils? | Y |
| Lithology description: 7b/1: "ripple cross-bedded, fine-grained sandstone" | |
| Environment: | fluvial-deltaic indet. |
| Geology comments: 7b/1: "flood plain or coastal sabkha" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
| Preservation of anatomical detail: | good |
| Fragmentation: | occasional |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | German-Tanzanian Tendaguru Expedition | Collection dates: | 2000 |
Metadata
| Also known as: | Dwanika | ||
| Database number: | 136581 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano | Research group: | vertebrate |
| Created: | 2012-11-30 05:24:55 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | the public | Released: | 2012-11-30 05:24:55 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 43685. | G. Arratia, J. Kriwet, and W.-D. Heinrich. 2002. Selachians and actinopterygians from the Upper Jurassic of Tendaguru, Tanzania. Mitteilungen aus dem Museum für Naturkunde in Berlin, Geowissenschaften Reihe 5:207-230 [M. Carrano/M. Carrano] |