Cote 87: Early/Lower Callovian, Madagascar
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Rhynchonellida
- Cyclothyrididae
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Rhynchonella pseudoinconstans
Kitchin 1900
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| recombined as Torquirhynchia pseudoinconstans | |||||||
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Cephalopoda
- Ammonitida
- Perisphinctidae
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Indosphinctes aff. urbanus
Spath 1931
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Choffatia aff. recuperoi
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Choffatia baluchistanensis
(Noetling 1896)
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Cephalopoda
- Ammonitida
- Tulitidae
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Lycetticeras cf. coma
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| synonym of Morrisiceras | |||||||
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Cephalopoda
- Ammonitida
- Macrocephalitidae
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Macrocephalites formosus
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Macrocephalites charriensis
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Kamptokephalites dimerus
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Cephalopoda
- Phylloceratida
- Phylloceratidae
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Holcophylloceras lodaiense
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Cephalopoda
- Belemnitida
- Belemnopseidae
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Belemnopsis cf. calloviensis
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Bivalvia
- Pectinida
- Limidae
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Lima impressa
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Bivalvia
- Pholadida
- Ceratomyidae
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Ceromya concentrica
(Sowerby 1825)
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| see common names | |||||||
Geography
| Country: | Madagascar |
| Coordinates: | 16.0° South, 47.5° East (view map) |
| Paleocoordinates: | 24.3° South, 25.6° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Callovian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Early/Lower Callovian | ||
| Age range of interval: | 165.30000 - 161.50000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: unit 2, 5 m thick | |||||
Lithology and environment
| Primary lithology: | lithified argillaceous "limestone" |
| Lithology description: marly limestone, conglomerate intercalation | |
| 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: | 98121 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2010-09-21 00:44:37 | Last modified: | 2010-09-21 03:44:37 |
| Access level: | the public | Released: | 2010-09-21 00:44:37 |
| 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] |