Ankotrofotsy-Masiadolo: Coniacian, Madagascar
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Scleractinia
- Actinastreidae
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Actinastrea sakalavensis n. sp.
Alloiteau 1958
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Actinastrea besairiei n. sp.
Alloiteau 1958
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Anthozoa
- Scleractinia
- Acroporidae
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Diplocoenia parvistella n. sp.
Alloiteau 1958
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Anthozoa
- Scleractinia
- Dermosmiliidae
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Dimorphomeandra extensa n. sp.
Alloiteau 1958
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Dimorphomeandra besairiei n. gen., n. sp.
Alloiteau 1958
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| and n. var. indistincta, profunda, superficialis, parva, pedonculata | ||||||||||
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Dimorphomeandra convexa n. sp.
Alloiteau 1958
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Anthozoa
- Scleractinia
- Actinacididae
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Actinacis magna n. sp.
Alloiteau 1958
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Anthozoa
- Scleractinia
- Caryophylliidae
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Smilotrochus besairiei n. sp.
Alloiteau 1958
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Parasmilia sp.
Milne-Edwards and Haime 1848
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? Caryosmilia ambigua n. sp.
Alloiteau 1958
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Anthozoa
- Scleractinia
- Microsolenidae
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Microsolena besairiei n. sp.
Alloiteau 1958
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Anthozoa
- Scleractinia
- Latomeandridae
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Vallimeandra besairiei n. sp.
Alloiteau 1958
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Vallimeandra summostellae n. sp.
Alloiteau 1958
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? Thamnoseris ankotrofotsyensis n. sp.
Alloiteau 1958
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| and n. var. major | ||||||||||
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Fungiastraea excavata n. sp.
Alloiteau 1958
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Dimorphastrea subturonensis n. sp.
Alloiteau 1958
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| see common names | ||||||||||
Geography
| Country: | Madagascar | State/province: | Mahajanga |
| Coordinates: | 18.7° South, 44.5° East (view map) | ||
| Paleocoordinates: | 37.5° South, 35.0° East | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Coniacian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Coniacian | ||
| Age range of interval: | 89.80000 - 86.30000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Environment: | reef, buildup or bioherm |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Collection methods: | peel or thin section,field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Reef 2612 | ||
| Database number: | 86510 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2009-02-05 04:09:44 | Last modified: | 2009-02-05 06:09:44 |
| Access level: | the public | Released: | 2009-02-05 04:09:44 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 29108. | J. Alloiteau. 1958. Monographie des madreporaires fossiles de Madagascar [Monograph of fossil corals from Madagascar]. Annales Geologiques de Madagascar 25:1-218 [W. Kiessling/U. Merkel] |