Soaravikely: Early/Lower Callovian, Madagascar
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Ostreida
- Palaeolophidae
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Lopha gregarea
(Sowerby 1816)
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recombined as Actinostreon gregareum | ||||||||||
Bivalvia
- Carditida
- Astartidae
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Astarte mulleri
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Bivalvia
- Pholadida
- Ceratomyidae
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Ceromya concentrica
(Sowerby 1825)
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Cephalopoda
- Phylloceratida
- Phylloceratidae
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Calliphylloceras mediterraneum
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Calliphylloceras disputabile
(Zittel 1869)
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Holcophylloceras mediterraneum
(Neumayr 1871)
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Ptychophylloceras feddeni
(Waagen 1875)
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Cephalopoda
- Ammonitida
- Perisphinctidae
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Choffatia recuperoi
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Cephalopoda
- Ammonitida
- Lytoceratidae
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Thysanolytoceras adeloides
(Kudernatsch 1852)
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recombined as Lytoceras eudesianum adeloides | ||||||||||
var. indica | ||||||||||
Cephalopoda
- Ammonitida
- Macrocephalitidae
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Indocephalites chrysoolithicus
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Indocephalites diadematus
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Indocephalites aff. transitorius
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Nothocephalites cf. semilaevis
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Dolikephalites aff. gracilis
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Dolikephalites aff. typicus
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Dolikephalites flexuosus
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Macrocephalites chariensis
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Macrocephalites formosus
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Echinoidea
- Clypeidae
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Echinopygus cf. cottreaui
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synonym of Pygurus | ||||||||||
see common names |
Geography
Country: | Madagascar | State/province: | Toliara |
Coordinates: | 20.3° South, 45.4° East (view map) | ||
Paleocoordinates: | 26.7° South, 21.0° 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: | 164.70000 - 161.20000 m.y. ago |
Stratigraphy
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: unit 1 |
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: | field collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Database number: | 98171 | ||
Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate |
Created: | 2010-09-23 00:59:44 | Last modified: | 2010-09-23 03:59:44 |
Access level: | the public | Released: | 2010-09-23 00:59:44 |
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] |