Pinjor Formation
Appearance
Pinjor Formation | |
---|---|
Stratigraphic range: Pleistocene ~Pleistocene | |
Type | Geological formation |
Underlies | Tatrot Formation |
Location | |
Coordinates | 30°42′N 76°48′E / 30.7°N 76.8°E |
Approximate paleocoordinates | 29°12′N 77°18′E / 29.2°N 77.3°E |
Region | Hariyana, Punjab India, Himachal Pradesh, Punjab Pakistan, Chandigarh |
Country | India |
The Pinjor Formation is a Cenozoic geologic formation in India. The fossils of large crocodilians and mammals have been recovered from the formation.[1]
Paleobiota
[edit]Reptiles
[edit]Reptiles from the Pinjor Formation | |||||
---|---|---|---|---|---|
Genus | Species | Material | Location | Notes | Images |
Rhamphosuchus[2] | R. crassidens | piece of rostrum, middle portion of craniurns, hind portion of mandibular symphysis, quadrate and quadratojugal, partial mandibular symphysis, several vertebrae, left ilium, small left ilium, right fibula, and several scute. | Chandigarh | A large gharial | |
Gavialis | G. browni | Chandigarh | Gharials | ||
G. gangeticus | |||||
G. sp. | |||||
Crocodylus | C. palustris | Chandigarh | Mugger crocodiles | ||
C. biporcatus | |||||
C. palaeoindicus | |||||
Varanus[3] | V. sivalensis | Distal end of right humerus and dorsal vertebrae | Chandigarh | A large monitor lizard similar to the Komodo dragon | |
Omegachelys | O. sahnii | Uttar Pradesh, | An emydid turtle | ||
Geoclemys | G. hamiltonii | Uttar Pradesh | A geoemydid turtle | ||
Hardella | H. thurjii | Uttar Pradesh | A geoemydidae turtle | ||
Megalochelys | sp. | Chandigarh | A tortoise |
Mammals
[edit]Crustaceans
[edit]Crustaceans from the Pinjor Formation | |||||
---|---|---|---|---|---|
Genus | Species | Material | Location | Notes | Images |
Potamon | sp. | Chandigarh | A crab |
References
[edit]- ^ V. Kumaravel, S. J. Sangode; Rohtash Kumar, N. Siva Siddaiah (2005). "Magnetic polarity stratigraphy of Plio–Pleistocene Pinjor Formation (type locality), Siwalik Group, NW Himalaya, India". Zoological Journal of the Linnean Society. doi:10.1093/zoolinnean/zlad184.
- ^ Martin, J. E. (2018). "The taxonomic content of the genus Gavialis from the Siwalik Hills of India and Pakistan" (PDF). Papers in Palaeontology. 5 (3): 483–497. doi:10.1002/spp2.1247.
- ^ Hocknull, Scott; Piper, Philip; Van den Bergh, Gert; Due, Rokus; Morwood, Michael; Kurniawan, Iwan (2009). "Dragon's Paradise Lost: Palaeobiogeography, Evolution and Extinction of the Largest-Ever Terrestrial Lizards (Varanidae)". PLOS ONE. 4 (9): e7241. Bibcode:2009PLoSO...4.7241H. doi:10.1371/journal.pone.0007241. PMC 2748693. PMID 19789642.
- ^ Falconer, Hugh (1868). Palæontological Memoirs and Notes of the Late Hugh Falconer: Fauna antiqua sivalensis. R. Hardwicke. p. 231.