// Workers AI · dad joke modeWhat did the Ottakovil Formation say? "I'm a rock solid formation.
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| Ottakovil formation | |
|---|---|
| Stratigraphic range: Middle Maastrichtian ~ | |
| Type | Geological formation |
| Unit of | Ariyalur Group |
| Underlies | Kallamedu Formation |
| Overlies | Kallakurichi Formation |
| Location | |
| Location | Ottakovil |
  Ottakovil Formation (India)  Ottakovil Formation (Tamil Nadu) | |
The Ottakovil formation (Also spelled Ottakoil) is a geological formation in the state of Tamil Nadu, India.[1]
Description
[edit]The formation was a shallow marine environment with fossils of Echinoids, Nautilus, Ammonites, Alectronia as well as calcareous nannoplankton.[1][2]
Fossil Content
[edit]Fossils of echinoids, nautiluses, ammonites, the oyster Alectronia, and calcareous nannoplankton have been reported from the formation.[1][2]
Color key
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Notes Uncertain or tentative taxa are in small text; |
| Ichnofossils from the Ottakovil formation | ||||
|---|---|---|---|---|
| Genus | Species | Material | Notes | Member |
| Thalassinoides | T. sp.[1] | An ichnofossil made by decapod crustaceans, or fish | ||
| Ophiomorpha | O. sp.[1] | |||
References
[edit]- 1 2 3 4 5 "Ottakovil Formation". indplex.geolex.org. Retrieved 2024-12-18.
- 1 2 Rai, Jyotsana; Ramkumar, Mu.; Sugantha, T. (2012-12-26), "Calcareous Nannofossils from the Ottakoil Formation, Cauvery Basin, South India: Implications on Age and Late Cretaceous Environmental Conditions", On a Sustainable Future of the Earth's Natural Resources, Berlin, Heidelberg: Springer Berlin Heidelberg, pp. 109–122, ISBN 978-3-642-32916-6, retrieved 2024-12-19