The Pinjor Formation is a Cenozoic geologic formation in India. The fossils of large crocodilians and mammals have been recovered from the formation.[1]

Pinjor Formation
Stratigraphic range: Pleistocene
~2.28–1.6 Ma
Pleistocene
TypeGeological formation
UnderliesTatrot Formation
Location
Coordinates30°42′N 76°48′E / 30.7°N 76.8°E / 30.7; 76.8
Approximate paleocoordinates29°12′N 77°18′E / 29.2°N 77.3°E / 29.2; 77.3
RegionHariyana, Punjab India, Himachal Pradesh, Punjab Pakistan, Chandigarh
Country India
Pinjor Formation is located in India
Pinjor Formation
Pinjor Formation (India)

Paleobiota

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Reptiles

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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,

Himachal 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

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Mammals from the Pinjor Formation
Genus Species Material Location Notes Images
Elephas E. maximus Chandigarh Asian elephants
 
E. hysudricus
E. planifrons
E. platycephalus
Mus M. linnaeusi Chandigarh A rat
M. flynni
Tatera T. pinjoricus Chandigarh A gerbil
T. sp.
Punjabitherium P. platyrhinum Punjab A rhinoceros
Sivatherium S. giganteum Chandigarh A giraffoid  
Coelodonta C. platyrhinus Chandigarh A woolly rhinoceros  
Camelus C. sivalensis[4] Chandigarh A camel
Stegodon S. bombifrons Chandigarh A stegodontid
S. insignis
Vishnuictis V. durandi Chandigarh A large viverrid
Enhydriodon E. sivalensis Himachal Pradesh A large otter
Crocidura sp. Chandigarh A shrew
Golunda sp. Chandigarh A murine rodent
Bandicota sp. Chandigarh A murid rodent
Cremnomys C. blanfordi Chandigarh A rodent
Crocidura sp. Chandigarh A murid rodent
Dilatomys sp. Chandigarh A murid rodent
Canis C. pinjorensis Chandigarh A wolf
C. cautleys
Megantereon M. falconeri Chandigarh A smilodont  
M. palaeindicus
Viverra V. bakeri Chandigarh A civet
Amblonyx A. indicus Chandigarh An otter
sp.
Panthera P. cristata Chandigarh A panther
Agriotherium A. sivalensis Chandigarh A bear
Mellivora M. sivalensis Chandigarh A Honey badger
Crocuta C. sivalensis Chandigarh A Hyena
C. felina
C. colvini

Crustaceans

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Crustaceans from the Pinjor Formation
Genus Species Material Location Notes Images
Potamon sp. Chandigarh A crab

References

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  1. ^ 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.
  2. ^ 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.
  3. ^ 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.
  4. ^ Falconer, Hugh (1868). Palæontological Memoirs and Notes of the Late Hugh Falconer: Fauna antiqua sivalensis. R. Hardwicke. p. 231.