| Trichinopoly Group | |
|---|---|
| Stratigraphic range:Turonian-Santonian ~94–84 Ma | |
| Type | Geological formation |
| Sub-units | Anaipadi Formation |
| Underlies | Ariyalur Group |
| Overlies | Ootatoor Group |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 11°06′N78°54′E / 11.1°N 78.9°E /11.1; 78.9 |
| Approximate paleocoordinates | 44°48′S45°48′E / 44.8°S 45.8°E /-44.8; 45.8 |
| Region | Tamil Nadu andKerala |
| Country | India |
  Trichinopoly Group (India) | |
TheTrichinopoly Group is a geologicalformation in India whose strata date back to theLate Cretaceous. It lies between theOotatoor andAriyalur Groups. It is broad in its southern extremity but thins as it gradually proceeds northwards as it ultimately meets theAriyalur Group.[1]Dinosaur remains are among thefossils that have been recovered from the formation.[2]
Color key
| Notes Uncertain or tentative taxa are insmall text; |
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
|---|---|---|---|---|---|---|
| Dravidosaurus[3] | D. blanfordi | Ariyalur | Anaipadi formation | Fragmentary Skull, tooth, sacrum, ilium, ischium, armor plate and dermal spine of an adult. | A (Possible)Stegosaur. | |
| ?Iguanodon[4] | sp. | Ootatoor | "Unidentified remains of a GiganticSaurian presumed to be an Ornithopod" | A fragmentaryOrnithopod described as an Iguanodon. |