Beroroha and Mandronarivo area: Dienerian, Madagascar
collected by J.-P. Lehman & Mr. Germain 1954
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Dipnoi
- Ceratodontidae
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Microceratodus angolensis
(Texeira 1947)
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Dipnoi
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Paraceratodus germaini n. gen., n. sp.
Lehman et al. 1959
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Parasemionotiformes
- Parasemionotidae
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Parasemionotus labordei
Priem 1924
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Parasemionotus besairiei n. sp.
Lehman et al. 1959
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Watsonulus eugnathoides
(Piveteau 1935)
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Thomasinotus sp.
Lehman 1952
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Saurichthyiformes
- Saurichthyidae
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Saurichthys sp.
Agassiz 1834
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Saurichthys madagascariensis
Piveteau 1945
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| recombined as Saurichthys (Eosaurichthys) madagascariensis | ||||||||||
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Pholidopleuriformes
- Pholidopleuridae
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Australosomus sp.
Pivetau 1930
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Palaeonisciformes
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Sakamenichthys n. gen. germaini
Lehman et al. 1959
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Palaeonisciformes
- Bobasatraniidae
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Bobasatrania cf. mahavavica
White 1932
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Chondrichthyes
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Elasmobranchii indet.
(Bonaparte 1838)
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| prismatic calcified cartilage | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Madagascar | State/province: | Atsimo-Andrefana | County: | Beroroha |
| Coordinates: | 21.7° South, 45.2° East (view map) | ||||
| Paleocoordinates: | 50.7° South, 30.3° East | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Triassic | Epoch: | Early/Lower Triassic |
| Stage: | Olenekian | 10 m.y. bin: | Triassic 1 |
| Key time interval: | Dienerian | ||
| Age range of interval: | 251.40000 - 251.20000 m.y. ago |
Stratigraphy
| Geological group: | Sakamena | Formation: | Middle Sakamena |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified "shale" |
| Secondary lithology: | very fine,nodular lithified "limestone" |
| Lithology description: shale , interbedded with sandstone and limestone nodules | |
| Environment: | lagoonal/restricted shallow subtidal |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | J.-P. Lehman & Mr. Germain | Collection dates: | 1954 |
| Collection method comments: Repository: Muséum National d'Histoire Naturelle, Paris | |||
Metadata
| Database number: | 154183 | ||
| Authorizer: | M. Clapham | Enterer: | P. Vazquez |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2014-01-30 20:17:31 | Last modified: | 2018-02-01 12:58:54 |
| Access level: | the public | Released: | 2014-01-30 20:17:31 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 49991. | J.-P. Lehman, C. Chateau, M. Laurain and M. Nauche. 1959. Paléontologie de Madagascar XXVIII. - Les poissons de la Sakamena moyenne. Annales de Paléontologie 45:175-219 [M. Clapham/P. Vazquez/M. Clapham] |