Pinjor Formation

Coordinates: 30°42′N 76°48′E / 30.7°N 76.8°E / 30.7; 76.8
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Pinjor Formation
Stratigraphic range: Pliocene-Pleistocene
~3.6–0.8 Ma
TypeGeological 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
Pinjor Formation is located in India
Pinjor Formation
Pinjor Formation (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 Komodo dragon
Omegachelys O. sahnii Uttar Pradesh,

Himachal Pradesh

A Emydidae Turtle.
Geoclemys G. hamiltonii Uttar Pradesh A Geoemydidae Turtle.
Hardella H. thurjii Uttar Pradesh A Geoemydidae Turtle.
Megalochelys sp. Chandigarh A Soricidae.

Mammals[edit]

Mammals from the Pinjor Formation
Genus Species Material Location Notes Images
Elephas E. maximus Chandigarh Asian elephants.
E. platycephalus
E. hysudriscus
E. planifrons
Mus M. linnaeusi Chandigarh A Rat.
M. flynni
Tatera T. pinjoricus Chandigarh A Gerbillinae.
T. sp.
Punjabitherium P. platyrhinum Punjab A Rhinoceros.
Sivatherium S. giganteum Chandigarh A Giraffe.
Coelodonta C. platyrhinus Chandigarh A Woolly rhinoceros.
Camelus C. sivalensis[4] Chandigarh A Camel.
Stegodon S. bombifrons Chandigarh A Stegodon.
S. insignis
Vishnuictis V. hinduiensis Chandigarh A large Viverrid.
Enhydriodon E. sivalensis Himachal Pradesh A large Otter.
E. falconeri
Crocidura sp. Chandigarh A Soricidae.
Golunda sp. Chandigarh A Murine.
Bandicota sp. Chandigarh A Muridae.
Cremnomys C. blanfordi Chandigarh A Rodent.
Crocidura sp. Chandigarh A Muridae.
Dilatomys sp. Chandigarh A Muridae.

Crustaceans[edit]

Mammals from the Pinjor Formation
Genus Species Material Location Notes Images
Potamon sp. Chandigarh A Crab.

References[edit]

  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.