The Trichinopoly Group is a geological

formation Formation may refer to: Linguistics * Back-formation, the process of creating a new lexeme by removing or affixes * Word formation, the creation of a new word by adding affixes Mathematics and science * Cave formation or speleothem, a secondary ...

in India whose strata date back to the

Late Cretaceous The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', ...

. It lies between the Ootatoor and

Ariyalur Group Ariyalur () is a town and district headquarters of Ariyalur district in the South Indian state of Tamil Nadu and is rich in limestone, surrounded with seven cement factories and two sugar factories. The town is located at a distance of from th ...

s. It is broad in its southern extremity but thins as it gradually proceeds northwards as it ultimately meets the

. Dinosaur remains are among the fossils that have been recovered from the formation.Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, Asia)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 593-600. .

Vertebrate paleofauna

* '' Dravidosaurus blanfordi'' - "Fragmentary skeleton with partial skull, adult.""Table 16.1," in Weishampel, et al. (2004). Page 344.

References

Bibliography

* {{Tiruchirappalli Geologic groups of Asia Geologic formations of India Upper Cretaceous Series of Asia Coniacian Stage Santonian Stage Turonian Stage Sandstone formations Shallow marine deposits Paleontology in India

Vertebrate paleofauna

See also

References

Bibliography