MR-1, Left Bank of the Mwachi River: Late Bajocian, Kenya
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Nuculida
- Nuculidae
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Nuculidae indet.
Gray 1824
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Cephalopoda
- Ammonitida
- Stephanoceratidae
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Cadomites sp.
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Cephalopoda
- Ammonitida
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Diplesioceras ? sp.
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Cephalopoda
- Ammonitida
- Lytoceratidae
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Nannolytoceras polyhelictum
(Böckh 1881)
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Lytoceras eudesianum
(d'Orbigny 1846)
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| eudesianum subsp. | ||||||||||
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Cephalopoda
- Ammonitida
- Oppeliidae
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Oecotraustes sp.
(Waagen 1869)
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Cephalopoda
- Phylloceratida
- Phylloceratidae
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Phylloceras trifoliatum
Neumayr 1871
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Ptychophylloceras lardyi
(Oooster 1860)
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Holcophylloceras zignodianum
(d'Orbigny 1848)
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Calliphylloceras disputabile
(Zittel 1869)
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| see common names | ||||||||||
Geography
| Country: | Kenya |
| Coordinates: | 4.0° South, 39.5° East (view map) |
| Paleocoordinates: | 23.4° South, 19.6° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Bajocian | 10 m.y. bin: | Jurassic 4 |
| Key time interval: | Late Bajocian | Ammonoid zone: | Garantiana garantiana |
| Age range of interval: | 168.6 - 168.2 m.y. ago |
Stratigraphy
| Formation: | Kambe |
Lithology and environment
| Primary lithology: | lithified "shale" |
| Includes fossils? | Y |
| Environment: | deep-water indet. |
Taphonomy
| Modes of preservation: | mold/impression,replaced with pyrite |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 191123 | ||
| Authorizer: | A. Kocsis | Enterer: | A. Kocsis |
| Modifier: | A. Kocsis | Research group: | marine invertebrate |
| Created: | 2018-01-10 11:29:22 | Last modified: | 2018-01-10 11:29:37 |
| Access level: | the public | Released: | 2018-01-10 11:29:22 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 64440. | A. Galácz. 2017. Bajocian (Middle Jurassic) ammonites of stratigraphical and Palaeobiogeographical importance from Mombasa, Kenya, East Africa. Geodiversitas 39(4):717-727 [A. Kocsis/A. Kocsis] |