Panchet Formation
Panchet Formation | |
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Stratigraphic range: Early Triassic, | |
Type | Geological formation |
Underlies | Supra Panchet Formation |
Overlies | Raniganj Formation |
Location | |
Region | West Bengal, Jharkhand |
Country | India |
The Panchet Formation is an Early Triassic geological formation from the Damodar Valley of India.[1][2]
It is among the few geological formations outside of Russia, South Africa, and China that documents the recovery of global ecosystems immediately after the Permian-Triassic extinction. It shares similar traits to some of these other formations, including the dominance of Lystrosaurus and the primary predators being proterosuchid reptiles. It also preserves a diversity of temnospondyl amphibians.[3][4]
Palaeobiota
Synapsids
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
---|---|---|---|---|---|---|
Lystrosaurus |
L. murrayi |
A dicynodont . Synonyms include L. orientalis and L. rajurkari.
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L. cf. curvatus | A lystrosaurid dicynodont. | |||||
L. cf. declivis | A lystrosaurid dicynodont. | |||||
Panchetocynodon | P. damodarensis | A cynodont of uncertain affinity.
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Thrinaxodon |
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A cynodont .
|
Amphibians
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
---|---|---|---|---|---|---|
?Benthosuchidae indet. | ||||||
Capulomala | C. panchetensis | A plagiosaurid temnospondyl. | ||||
Gonioglyptus |
G. fragilis |
A trematosaurid temnospondyl. | ||||
G. longirostris | ||||||
Indobrachyops | I. panchetensis | A rhytidosteid temnospondyl. | ||||
Indolyrocephalus | I. huxleyi | A trematosaurid. | ||||
Lydekkerina | L. sp. | A lydekkerinid temnospondyl. | ||||
Pachygonia | P. incurvata | Possibly a brachyopid temnospondyl. | ||||
Manubrantlia | M. khaki | A lapillopsid temnospondyl | ||||
Tupilakosaurus | T. sp | A tupilakosaurid temnospondyl. |
Reptiles
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
---|---|---|---|---|---|---|
Samsarasuchus | S. pamelae | A proterosuchid archosauriform. | ||||
?"Teratosaurus" | T. bengalensis | A dubious archosauriform represented by a single tooth, formerly considered a rauisuchian but most likely a proterosuchid.[3] | ||||
Ankistrodon | A. indicus | Dubious proterosuchid. | ||||
Neodiapsida indet. | A non-archosauromorph diapsid, known from an ilium.[4] |
Fish
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
---|---|---|---|---|---|---|
Acrolepidae indet.
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An acrolepid fish.
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Perleididae indet. | A perleidid fish.
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Chondrichthyes indet. | A cartilaginous fish. | |||||
Ceratodontidae indet. | A ceratodontid lungfish. |
See also
- Yerrapalli Formation - Middle Triassic (Anisian?) of the Pranhita–Godavari Basin
- Denwa Formation - Middle Triassic (Anisian?) of the Satpura Basin
- Tiki Formation - Late Triassic (Carnian?) of the Rewa Basin
- Lower Maleri Formation - Late Triassic (Carnian?) of the Pranhita–Godavari Basin
- Upper Maleri Formation - Late Triassic (Norian?) of the Pranhita–Godavari Basin
- Lower Dharmaram Formation - Late Triassic (Norian-Rhaetian?) of the Pranhita–Godavari Basin