Mamakiala River: Middle Callovian, Madagascar
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Pholadomyida
- Pholadomyidae
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Goniomya sp.
Agassiz 1842
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Bivalvia
- Pholadida
- Ceratomyidae
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Ceratomya sp.
Sandberger 1864
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Ceromya sp.
Agassiz 1842
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replaced by Ceratomya | |||||||
Bivalvia
- Trigoniida
- Trigoniidae
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Trigonia sp.
Bruguière 1789
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Cephalopoda
- Phylloceratida
- Phylloceratidae
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Calliphylloceras sp.
Spath 1927
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Holcophylloceras sp.
Spath 1927
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Ptychophylloceras euphylum
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Cephalopoda
- Ammonitida
- Perisphinctidae
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Obtusicostites obtusicosta
(Waagen 1875)
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Obtusicostites aff. waageni
Spath 1931
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synonym of Obtusicostites obtusicosta | |||||||
Obtusicostites cf. devi
Spath 1931
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Hubertoceras aff. arcicosta
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synonym of Obtusicostites | |||||||
Kinkeliniceras indra
Spath 1931
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synonym of Kinkeliniceras kinkelini | |||||||
see common names |
Geography
Country: | Madagascar |
Coordinates: | 22.1° South, 44.5° East (view map) |
Paleocoordinates: | 27.6° South, 19.0° East |
Basis of coordinate: | based on nearby landmark |
Geographic resolution: | small collection |
Time
Period: | Jurassic | Epoch: | Middle Jurassic |
Stage: | Callovian | 10 m.y. bin: | Jurassic 5 |
Key time interval: | Middle Callovian | ||
Age range of interval: | 164.70000 - 161.20000 m.y. ago |
Stratigraphy
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: unit 12 |
Lithology and environment
Primary lithology: | lithified sandy marl |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Database number: | 98183 | ||
Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate |
Created: | 2010-09-23 05:20:19 | Last modified: | 2010-09-23 08:20:19 |
Access level: | the public | Released: | 2010-09-23 05:20:19 |
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] |