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Katrol Formation

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Geologic formation in India

Katrol Formation
Stratigraphic range: Kimmeridgian-Tithonian
~150–145 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
TypeGeological formation
UnderliesBhuj Formation
OverliesWagad Formation
AreaKutch
Location
Coordinates23°30′N 70°30′E / 23.5°N 70.5°E / 23.5; 70.5
Approximate paleocoordinates27°24′S 33°18′E / 27.4°S 33.3°E / -27.4; 33.3
RegionGujarat
Country India
Katrol Formation is located in IndiaKatrol FormationKatrol Formation (India)

The Katrol Formation is a Mesozoic geologic formation in India. Fossil Dinosaur tracks have been reported from the formation. An indeterminate ophthalmosaurid ichthyosaur is also known from the formation in the Kutch district.

Paleobiota

Dinosaurs

Sauropods of the Katrol Formation
Genus Species Material Notes Photos
Sauropoda Indeterminate Footprints A Sauropod.

Theropods

Theropods of the Katrol Formation
Genus Species Material Notes Photos
Megalosauridae? Indeterminate Footprints and vertebrae. Originally described as an Allosauroid.

Ornithischian

Ornithischians of the Katrol Formation
Genus Species Material Notes Photos
Ornithopoda? Indeterminate Footprints An Ornithopod

Sauropterygians

Sauropterygians of the Katrol Formation
Genus Species Material Notes Photos
Cryptoclididae Indeterminate Nineteen connected vertebrae. A Plesiosaur.

Ichthyosaurs

Ichthyosaurs of the Katrol Formation
Genus Species Material Notes Photos
Ophthalmosauridae Indeterminate Articulated partial skeleton. An Ichthyosaur.

Mollusca

Molluscs of the Katrol Formation
Genus Species Material Notes
Palaeonucula P. cuneiformis A Nut Clam.
P. stoliczkai
Trigonia Sp. A Clam.
Nuculoma N. wynnei A Nut Clam
Belemnoidea Indeterminate A Belemnitida Cephalopod.
Streblites S. plicodiscus A Oppeliidae ammonite.
Oppelia O. plana A Oppeliidae ammonite.
O. kachhensis
Aspidoceras A. binodiferum A Aspidoceratidae ammonite.
A. iphiceroides
A. monacanthum
Taramelliceras T. trachinotum A Oppeliidae ammonite.
Haploceras H. deplanatum A Haploceratidae ammonite.
H. propinquum
Pachysphinctes P. bathyplocus A Perisphinctidae ammonite.
Perisphinctes P. pottingeri A Perisphinctidae ammonite.
P. torquatus
P. katrolensis
P. sparsiplicatus
P. alterneplicatus
P. euplocus
Harpoceras H. kobelli A Hildoceratidae ammonite.

Insecta

Insects of the Katrol Formation
Genus Species Material Notes
Cycloserpula sp. A Millipede.


See also

References

  1. "Katrol Formation, Kutch, India: Varying interactions between eustasy and basin subsidence". ResearchGate. Retrieved 30 October 2017.
  2. Supriya, Lakshmi. "Remarkably Complete 150 Million Year Old Marine Reptile Fossil Found in Gujarat - The Wire". thewire.in.
  3. ^ Dinosaur Fauna from Mesozoic Rocks of Western India- Z.G. Ghevariya and C. Srikarni
  4. BARDET, N; MAZIN, J.-M.; CARIOU, E.; ENAY, R.; KRISHNA, J. (1991). "Les Plesiosauria du Jurassique supérieur de la province de Kachchh (Inde)". Les Plesiosauria du Jurassique supérieur de la province de Kachchh (Inde). 313 (11): 1343–1347. ISSN 0764-4450.
  5. Prasad, Guntupalli V. R.; Pandey, Dhirendra K.; Alberti, Matthias; Fürsich, Franz T.; Thakkar, Mahesh G.; Chauhan, Gaurav D. (25 October 2017). "Discovery of the first ichthyosaur from the Jurassic of India: Implications for Gondwanan palaeobiogeography". PLOS ONE. 12 (10): e0185851. Bibcode:2017PLoSO..1285851P. doi:10.1371/journal.pone.0185851. PMC 5656312. PMID 29069082.

Bibliography

  • Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2
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