Bobasakoa: Oxfordian, Madagascar
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Oppeliidae
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Campylites cf. delemontanum
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| replaced by Neocampylites | |||||||
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Cephalopoda
- Ammonitida
- Sphaeroceratidae
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Mayaites aff. rotundus
Spath 1928
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Cephalopoda
- Ammonitida
- Perisphinctidae
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Subgrossouvria sp.
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Cephalopoda
- Phylloceratida
- Phylloceratidae
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Ptychophylloceras jaraense
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Cephalopoda
- Belemnitida
- Belemnitidae
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Belemnites ex gr. hastati
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| see common names | |||||||
Geography
| Country: | Madagascar |
| Coordinates: | 12.8° South, 49.0° East (view map) |
| Paleocoordinates: | 22.9° South, 28.5° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Late/Upper Jurassic |
| Stage: | Oxfordian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Oxfordian | ||
| Age range of interval: | 161.50000 - 154.80000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified marl |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 98093 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2010-09-20 05:46:56 | Last modified: | 2010-09-20 08:46:56 |
| Access level: | the public | Released: | 2010-09-20 05:46:55 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 8015. | PGAP 1022 | H. Besairie and M. Collignon. 1972. Geologie de Madagascar I. Les Terrains Sedimentaires. Annales Geologiques de Madagascar 35:1-463 [A. Rees/A. Rees] |