Lower Dharmaram Formation
Encyclopedia
The Lower Dharmaram Formation is a sedimentary rock formation found in Andhra Pradesh
, India
. It is one of the formations of the Pranhita–Godavari Basin
. It is of latest Norian
and Rhaetian
ages (Upper Triassic), and is notable for its fossil
s of early dinosaur
s.
, cf. Nicrosaurus
, fragmentary remains of sauropodomorphs (ISI R279, 280, 281) and neotheropods (ISI R283) have also been recovered from it.
Andhra Pradesh
Andhra Pradesh , is one of the 28 states of India, situated on the southeastern coast of India. It is India's fourth largest state by area and fifth largest by population. Its capital and largest city by population is Hyderabad.The total GDP of Andhra Pradesh is $100 billion and is ranked third...
, India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...
. It is one of the formations of the Pranhita–Godavari Basin
Pranhita–Godavari Basin
The Pranhita–Godavari Basin is a geological formation in India whose strata date back to the Late Triassic and the Early Jurassic. Dinosaur remains are among the fossils that have been recovered from the formation...
. It is of latest Norian
Norian
The Norian is a division of the Triassic geological period. It has the rank of an age or stage . The Norian lasted from 216.5 ± 2.0 to 203.6 ± 1.5 million years ago. It was preceded by the Carnian and succeeded by the Rhaetian.-Stratigraphic definitions:The Norian was named after the Noric Alps in...
and Rhaetian
Rhaetian
The Rhaetian is in geochronology the latest age of the Triassic period or in chronostratigraphy the uppermost stage of the Triassic system. It lasted from 203.6 ± 1.5 to 199.6 ± 0.6 million years ago...
ages (Upper Triassic), and is notable for its fossil
Fossil
Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past...
s of early dinosaur
Dinosaur
Dinosaurs are a diverse group of animals of the clade and superorder Dinosauria. They were the dominant terrestrial vertebrates for over 160 million years, from the late Triassic period until the end of the Cretaceous , when the Cretaceous–Paleogene extinction event led to the extinction of...
s.
Vertebrate fauna
cf. ParatypothoraxParatypothorax
Paratypothorax is an extinct genus of aetosaur. It was first named in 1985 from specimens collected from the Lower Stubensandstein in Germany and was also noted to be present in the Chinle Group of the southwestern United States in both the Dockum and Chinle Formations, which are latest Carnian and...
, cf. Nicrosaurus
Nicrosaurus
Nicrosaurus is an extinct genus of phytosaur reptile. Although it looked and probably lived like a crocodile, it was not closely related to these creatures, instead being a good example of parallel evolution...
, fragmentary remains of sauropodomorphs (ISI R279, 280, 281) and neotheropods (ISI R283) have also been recovered from it.
Dinosaur Dinosaur Dinosaurs are a diverse group of animals of the clade and superorder Dinosauria. They were the dominant terrestrial vertebrates for over 160 million years, from the late Triassic period until the end of the Cretaceous , when the Cretaceous–Paleogene extinction event led to the extinction of... s reported from the Upper Maleri Formation |
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Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Jaklapallisaurus Jaklapallisaurus Jaklapallisaurus is a genus of herbivore plateosaurian sauropodomorph dinosaur. It is a plateosaurid which lived during the Late Triassic period in what is now Andhra Pradesh, central India... |
J. assymetrica |
|
"ISI R279, distal end of right femur Femur The femur , or thigh bone, is the most proximal bone of the leg in tetrapod vertebrates capable of walking or jumping, such as most land mammals, birds, many reptiles such as lizards, and amphibians such as frogs. In vertebrates with four legs such as dogs and horses, the femur is found only in... ." |
A plateosaurid Plateosauridae Plateosauridae is a family of plateosaurian sauropodomorphs. Plateosaurids were early sauropodomorph dinosaurs which existed in Asia, Europe and South America during the Late Triassic period. Although several dinosaurs have been classified as plateosaurids over the years, a 2007 study by Adam M.... , also found in the Upper Maleri Formation Upper Maleri Formation The Upper Maleri Formation is a sedimentary rock formation found in Andhra Pradesh, India. It is one of the formations of the Pranhita–Godavari Basin. It is of late Norian and possibly earliest Rhaetian ages , and is notable for its fossils of early dinosaurs.-Vertebrate fauna:Angistorhinus sp., cf... . |
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