Upper Maleri Formation
The Upper Maleri Formation is a sedimentary rock formation found in Telangana, India. It is one of the formations of the Pranhita–Godavari Basin. It is of late Norian and possibly earliest Rhaetian ages (Late Triassic), and is notable for its fossils of early dinosaurs.
| Upper Maleri Formation Stratigraphic range: Norian ~220–211 Ma | |
|---|---|
| Type | Geological formation |
| Unit of | Gondwana Group |
| Underlies | Lower Dharmaram Formation |
| Overlies | Lower Maleri Formation |
| Location | |
| Coordinates | 19.3°S 79.5°W |
| Approximate paleocoordinates | 33.1°S 36.4°W |
| Region | Telangana |
| Country |  |
| Extent | Pranhita–Godavari Basin |
  Upper Maleri Formation (India) | |
Vertebrate fauna
Angistorhinus sp., cf. Leptosuchus, Aetosauria indet., a guaibasaurid (ISI R277) and 2 basal dinosauriforms (ISI R282, 284) have also been recovered from it.[1]
Color key
|
Notes Uncertain or tentative taxa are in small text; |
| Dinosaurs reported from the Upper Maleri Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Jaklapallisaurus[1] | J. assymetrica | Telangana | ISI R274, postcranial material.[1] | A plateosaurid, also found in the Lower Dharmaram Formation. | ||
| Nambalia[1] | N. roychowdhurii | Telangana | ISI R273, including partial postcrania of at least three individuals of different sizes found closely associated.[1] | A basal sauropodomorph | ||
Correlations
The formation has been correlated with the Forest Sandstone of Africa, the lower Caturrita Formation of the Paraná Basin in Brazil, the upper Ischigualasto Formation and lower Los Colorados Formation of the Ischigualasto-Villa Unión Basin of Argentina, and the Chinle Formation of North America.[2]
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See also
- List of dinosaur-bearing rock formations
References
- Novas et al., 2011
- Novas et al., 2011, p.343
Bibliography
- Novas, Fernando E.; Martín D. Ezcurra; Sankar Chatterjee, and T.S. Kutty. 2011. New dinosaur species from the Upper Triassic Upper Maleri and Lower Dharmaram formations of central India. Earth and Environmental Science Transactions of the Royal Society of Edinburgh 101. 333–349. Accessed 2019-04-06.doi:10.1017/S1755691011020093
Further reading
- Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21.ISBN 0-520-24209-2
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