Ankilokaza: Dienerian, Madagascar
collected by Drs. Asama, Fujiyama, Hasegawa 1973
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ceratitida
- Paranoritidae
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Paranorites sp.
Waagen 1895
|
2 specimens | |||||||||
| (1 measurement) | ||||||||||
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Koninckites cf. evolvens
(Waagen 1895)
|
2 specimens | |||||||||
| recombined as Radioceras evolvens | ||||||||||
| (1 measurement) | ||||||||||
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Koninckites cf. kraffti
Spath 1930
|
2 specimens | |||||||||
| recombined as Pashtunites kraffti | ||||||||||
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"Koninckites" sp.
Waagen 1895
|
1 specimen | |||||||||
| (1 measurement) | ||||||||||
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Cephalopoda
- Ceratitida
- Ophiceratidae
|
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Koninckites cf. kyokticus
(Krafft 1909)
|
1 specimen | |||||||||
| recombined as Kyoktites kyokticum | ||||||||||
| (1 measurement) | ||||||||||
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Cephalopoda
- Ceratitida
- Proptychitidae
|
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Collignonites asamai n. gen., n. sp.
Bando 1977
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1 specimen | |||||||||
| (1 measurement) | ||||||||||
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Cephalopoda
- Ceratitida
- Mullericeratidae
|
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Koninckites cf. ensanus
(Krafft 1909)
|
1 specimen | |||||||||
| recombined as Ussuridiscus ensanus | ||||||||||
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Palaeonisciformes
- Rhadinichthyidae
|
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Pteronisculus cicatrosus
White 1933
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Uyeno 1978 | 7 specimens | ||||||||
| A26, A29, A70, A121, A122, B4, B5 | ||||||||||
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Palaeonisciformes
- Bobasatraniidae
|
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Bobasatrania mahavavica
White 1932
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Uyeno 1978 | 29 specimens | ||||||||
| A4, A5, A11, A12, A13, A27, A30, A35-A41, A43-A49, A101, A104, A106, A108, A113, A116, A118, A124 | ||||||||||
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Pholidopleuriformes
- Pholidopleuridae
|
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Australosomus merlei
Piveteau 1930
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Uyeno 1978 | 2 specimens | ||||||||
| A42, A117 | ||||||||||
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Ptycholepiformes
- Ptycholepididae
|
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Boreosomus gillioti
Priem 1924
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Uyeno 1978 | 11 specimens | ||||||||
| A16, A17, A18, A25, A56, A63, A64, A85, A93, A102, A111 | ||||||||||
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Saurichthyiformes
- Saurichthyidae
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Saurichthys madagascariensis
Piveteau 1945
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Uyeno 1978 | 10 specimens | ||||||||
| recombined as Saurichthys (Eosaurichthys) madagascariensis | ||||||||||
| A3, A6, A8, A22, A42, A74, A75, A76, A77, B18 | ||||||||||
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Parasemionotiformes
- Parasemionotidae
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Parasemionotus labordei
Priem 1924
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Uyeno 1978 | 1 specimen | ||||||||
| A50 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Madagascar | State/province: | Diana | County: | Ambilobe |
| Coordinates: | 13.5° South, 49.1° East (view map) | ||||
| Paleocoordinates: | 45.2° South, 41.0° East |
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 |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | Drs. Asama, Fujiyama, Hasegawa | Collection dates: | 1973 |
| Collection method comments: Collected during the 1973 Paleontological Expeditions of Madagascar by the National Science Museum in Tokyo. Specimens were sent to Tokyo for examination and were returned to the Geological Survey of Madagascar in 1977. | |||
Metadata
| Database number: | 153773 | ||
| Authorizer: | M. Clapham | Enterer: | P. Vazquez, M. Clapham |
| Modifier: | M. Carrano | Research group: | marine invertebrate,vertebrate |
| Created: | 2014-01-14 00:22:07 | Last modified: | 2018-02-01 13:10:25 |
| Access level: | the public | Released: | 2014-01-14 00:22:07 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 49828. | Y. Bando. 1977. On some Lower Triassic ammonoids from Ankilokaza, Madagascar. Bulletin of the National Science Museum, Series C (Geology) 3:133-142 [M. Clapham/M. Clapham] |
Secondary references:
| 49827 | T. Uyeno. 1978. On Some Lower Triassic fishes from Ankilokaza, Madagascar. Bulletin of the National Science Museum Tokyo Series C 4:193-198 [M. Clapham/P. Vazquez] |