South of Garampani: Middle Eocene, India
collected by S. Gangopadhyaya 1965 - 1966
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
- Echinolampadoida
- Echinolampadidae
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Echinolampas cf. discoideus
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Gastropoda
- Turritellidae
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Turritella sp.
Lamarck 1799
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Gastropoda
- Naticidae
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Natica sp.
Scopoli 1777
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Gastropoda
- Neogastropoda
- Conidae
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Conus sp.
Linnaeus 1758
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Gastropoda
- Strombidae
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Terebellum sp.
Röding 1798
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Bivalvia
- Cardiida
- Cardiidae
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Cardium sp.
Linnaeus 1758
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Malacostraca
- Decapoda
- Pilumnidae
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? Galenopsis sp.
Milne-Edwards 1865
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Malacostraca
- Decapoda
- Callianassidae
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Callianassa sp.
Leach 1814
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Nummulitidae
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Nummulites beaumonti
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| see common names | |||||||
Geography
| Country: | India | State/province: | Assam |
| Coordinates: | 25.5° North, 92.6° East (view map) | ||
| Paleocoordinates: | 3.4° North, 83.7° East | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| 10 m.y. bin: | Cenozoic 2-3 | ||
| Key time interval: | Middle Eocene | ||
| Age range of interval: | 47.80000 - 37.71000 m.y. ago |
Stratigraphy
| Formation: | Sylhet Limestones | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: "at the topmost horizon of the Sylhet stage... The presence of Nummulites beaumonti indicates a Kirthar age (Middle Eocene)" | |||||
Lithology and environment
| Primary lithology: | argillaceous "limestone" |
| Lithology description: "argillaceous limestone" (lithification unclear) | |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Museum repositories: | GSI | ||
| Collectors: | S. Gangopadhyaya | Collection dates: | 1965 - 1966 |
| Collection method comments: Geological Survey of India, Calcutta collection | |||
Metadata
| Database number: | 81937 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 2008-07-18 22:32:32 | Last modified: | 2008-07-19 01:32:32 |
| Access level: | the public | Released: | 2008-07-18 22:32:32 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 27630. | U. B. Mathur and S. Gangopadhyaya. 1967. Occurrence of fossil decapod Crustacea in Eocene deposits of Assam. Current Science 36(14):379-380 [J. Alroy/J. Alroy] |