Upper Maleri Formation
Encyclopedia
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 (Upper Triassic), and is notable for its fossil
s of early dinosaur
s.
sp., cf. Leptosuchus
, Aetosauria indet., a guaibasaurid (ISI R277) and 2 basal dinosauriforms
(ISI R282, 284) 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 late 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 possibly earliest 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
AngistorhinusAngistorhinus
Angistorhinus is an extinct genus of phytosaur known from the Late Triassic period of Texas and Wyoming, USA. It was first named by Mehl in 1913 and the type species is Angistorhinus grandis. Other species from Texas and Wyoming, A. alticephalus , A. gracilis and A...
sp., cf. Leptosuchus
Leptosuchus
Leptosuchus is an extinct genus of phytosaur with a complex taxonomical history. Fossils have been found from the Dockum Group and lower Chinle Formation outcropping in Texas, New Mexico, and Arizona and date back to the Carnian stage of the Late Triassic.Currently there are believed to be four...
, Aetosauria indet., a guaibasaurid (ISI R277) and 2 basal dinosauriforms
Dinosauriformes
Dinosauriformes is a clade of archosaurian reptiles that include the dinosaurs and their most immediate relatives. All dinosauriformes are distinguished by several features, such as shortened forelimbs, and an at least partially perforated acetabulum, the hole in the hip socket traditionally used...
(ISI R282, 284) 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 R274, postcrania Postcrania Postcrania[p] in zoology and vertebrate paleontology refers to all or part of the skeleton apart from the skull. Frequently, fossil remains, e.g... l material. |
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 Lower Dharmaram Formation Lower Dharmaram Formation 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 , and is notable for its fossils of early dinosaurs.-Vertebrate fauna:cf. Paratypothorax, cf... . |
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Nambalia Nambalia Nambalia is a genus of basal sauropodomorph dinosaur. It lived during the Late Triassic period in what is now Andhra Pradesh, central India... |
N. roychowdhurii |
|
ISI R273, including partial postcrania of at least three individuals of different sizes found closely associated. |
A basal Basal (phylogenetics) In phylogenetics, a basal clade is the earliest clade to branch in a larger clade; it appears at the base of a cladogram.A basal group forms an outgroup to the rest of the clade, such as in the following example:... sauropodomorph |
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