Antanambo, Ifasy River: Smithian, Madagascar
collected by A. Garassino, G. Teruzzi, M. Pasini 1989
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Malacostraca
- Decapoda
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Ifasya madagascariensis
(Van Straelen 1933)
|
22 specimens | ||||||
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Ifasya straeleni
Garassino and Teruzzi 1995
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37 specimens | ||||||
| see common names | |||||||
Geography
| Country: | Madagascar |
| Coordinates: | 13.4° South, 48.9° East (view map) |
| Paleocoordinates: | 44.1° South, 41.7° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Early/Lower Triassic |
| Stage: | Olenekian | 10 m.y. bin: | Triassic 1 |
| Key time interval: | Smithian | ||
| Age range of interval: | 251.20000 - 248.90000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | concretionary lithified mudstone |
| Environment: | coastal indet. |
| Geology comments: 1. Silicatic nodules rich in iron oxyde of marly shales alternated to sandstones
2. The fossiliferous outcrops extends into a region that is covered by an open secondary forest, that is often interupted by vegtated clearings with a lateritic soil | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | A. Garassino, G. Teruzzi, M. Pasini | Collection dates: | 1989 |
| Collection method comments: Repository: Museo di Storia Naturale di Milano (MSNM) | |||
Metadata
| Database number: | 127344 | ||
| Authorizer: | C. Schweitzer | Enterer: | E. Johnson |
| Modifier: | M. Clapham | Research group: | decapod,marine invertebrate |
| Created: | 2012-05-10 01:53:24 | Last modified: | 2021-08-27 17:09:57 |
| Access level: | the public | Released: | 2012-05-10 01:53:24 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 41440. | decapod | A. Garassino and G. Teruzzi. 1995. Studies on Permo-Trias of Madagascar. 3. The decapod crustaceans of the Ambilobe region (NW Madagascar). Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale in Milano 134(1):85-113 [C. Schweitzer/E. Johnson/M. Clapham] |