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Katrol Formation

Coordinates: 23°30′N 70°30′E / 23.5°N 70.5°E / 23.5; 70.5
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Katrol Formation
Stratigraphic range: Kimmeridgian-Tithonian
~150–145 Ma
TypeGeological formation
UnderliesBhuj Formation , Umia Formation
OverliesWagad Formation
AreaKutch[1]
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 India
Katrol Formation
Katrol 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.[2]

Paleobiota

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Dinosaurs

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Sauropods of the Katrol Formation
Genus Species Material Notes Photos
Sauropoda[3] Indeterminate Footprints A Sauropod.

Theropods

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Theropods of the Katrol Formation
Genus Species Material Notes Photos
Megalosauridae? Indeterminate Footprints and vertebrae. Originally described as an Allosauroid.[3]

Ornithischian

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Ornithischians of the Katrol Formation
Genus Species Material Notes Photos
Ornithopoda?[3] Indeterminate Footprints An Ornithopod

Sauropterygians

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Sauropterygians of the Katrol Formation
Genus Species Material Notes Photos
Cryptoclididae[4] Indeterminate Nineteen connected vertebrae. A Plesiosaur.

Ichthyosaurs

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Ichthyosaurs of the Katrol Formation
Genus Species Material Notes Photos
Ophthalmosauridae[5] Indeterminate Articulated partial skeleton. An Ichthyosaur.

Mollusca

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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

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


See also

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References

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  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. ^ a b c 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

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