Ambohimanatrika: Bathonian, Madagascar
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Theropoda indet.
(Marsh 1881)
|
1 specimen | |||||||||
| MSNM V6234 | ||||||||||
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Ceratosauria indet.
(Marsh 1884)
|
1 specimen | |||||||||
| MSNM V6235 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Madagascar | State/province: | Mahajanga |
| Coordinates: | 16.5° South, 47.2° East (view map) | ||
| Paleocoordinates: | 23.9° South, 25.3° East | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Bathonian | 10 m.y. bin: | Jurassic 4 |
| Key time interval: | Bathonian | ||
| Age range of interval: | 168.20000 - 165.30000 m.y. ago |
Stratigraphy
| Formation: | Isalo IIIb |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils |
| Associated major elements: | some |
| Disassociated major elements: | some |
Collection methods and comments
| Collection methods: | surface (float),field collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 88178 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano | Research group: | vertebrate |
| Created: | 2009-04-02 14:32:13 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | the public | Released: | 2009-04-02 14:32:13 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 29607. | ETE | S. Maganuco, A. Cau, C. Dal Sasso and G. Pasini. 2007. Evidence of large theropods from the Middle Jurassic of the Mahajanga Basin, NW Madagascar, with implications for ceratosaurian peal ungual evolution. Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano 148(2):261-271 [M. Carrano/M. Carrano] |