Upper Dharmaram Formation
| Upper Dharmaram Formation | |
|---|---|
| Stratigraphic range: Hettangian–Sinemurian ~ | |
| Type | Geological formation |
| Underlies | Kota Formation |
| Overlies | Lower Dharmaram Formation |
| Lithology | |
| Primary | Sandstone, mudstone |
| Location | |
| Coordinates | Lua error in Module:Coordinates at line 489: attempt to index field 'wikibase' (a nil value). |
| Approximate paleocoordinates | Lua error: callParserFunction: function "#coordinates" was not found. |
| Region | Telangana |
| Country | India |
| Extent | Pranhita–Godavari Basin |
Upper Dharmaram Formation (India) | |
The Upper Dharmaram Formation is an Early Jurassic geologic formation found in Telangana, India. Dinosaur remains are among the fossils that have been recovered from the formation.
Age
[edit | edit source]The Upper Dharmaram Formation overlies the Lower Dharmaram Formation, which dates to the Late Triassic, and conformably underlies the Kota Formation, the age of which is uncertain. Typical Triassic fauna, such as phytosaurs and aetosaurs, are absent from the Upper Dharmaram Formation, suggesting that it is Jurassic in age and that the boundary between the Lower and Upper Dharmaram Formation may correspond to the Triassic-Jurassic boundary.[1] A Sinemurian age has been suggested based on faunal similarities to the Upper Elliot and Clarens Formations of southern Africa, the Kayenta Formation of North America, and the Lower Lufeng Formation of China.[2] A Hettangian age has also been suggested.[3]
Fossil organisms
[edit | edit source]Non-dinosaurian reptiles
[edit | edit source]| Taxon | Location | Stratigraphic position | Material | Notes | Images |
|---|---|---|---|---|---|
| aff. Dibothrosuchus[2] | A sphenosuchian |
Dinosaurs
[edit | edit source]| Taxon | Location | Stratigraphic position | Material | Notes | Images |
|---|---|---|---|---|---|
| aff. Dilophosaurus[2] | "isolated teeth and limb fragments" | A large neotheropod similar to Dilophosaurus |
| Taxon | Location | Stratigraphic position | Material | Notes | Images |
|---|---|---|---|---|---|
| Lamplughsaura dharmaramensis | Partial skeletons of four individuals[4] | Possible basal Sauropod. | |||
| Partial skeleton including a few skull bones, three vertebrae, and partial manus[5] | A non-sauropod sauropodomorph, possibly a massospondylid. | ||||
| Sauropodomorpha indet. | Incomplete femur | A probable third sauropodomorph taxon, distinct from both Lamplughsaura and Pradhania[6] |
See also
[edit | edit source]References
[edit | edit source]- ^ Kutty et al. 2007, p. 1218.
- ^ a b c Kutty et al. 2007, p. 1219.
- ^ Chatterjee 2020, p. 194.
- ^ Kutty et al. 2007, p. 1220.
- ^ Kutty et al. 2007, p. 1232.
- ^ Kutty et al. 2007, p. 1233.
Works cited
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