Earth:Katrol Formation

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Katrol Formation
Stratigraphic range: Kimmeridgian-Tithonian
~150–145 Ma
↓
TypeGeological formation
UnderliesBhuj Formation
OverliesWagad Formation
AreaKutch[1]
Location
Coordinates [ ⚑ ] : 23°30′N 70°30′E / 23.5°N 70.5°E / 23.5; 70.5
Paleocoordinates [ ⚑ ] 27°24′S 33°18′E / 27.4°S 33.3°E / -27.4; 33.3
RegionGujarat
CountryIndia
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

Dinosaurs

Sauropods of the Katrol Formation
Genus Species Material Notes Photos
Sauropoda[3] 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.[3]

Ornithischian

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

Sauropterygians

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

Ichthyosaurs

Ichthyosaurs of the Katrol Formation
Genus Species Material Notes Photos
Ophthalmosauridae[5] 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" (in en). https://www.researchgate.net/publication/239877507. 
  2. ↑ Supriya, Lakshmi. "Remarkably Complete 150 Million Year Old Marine Reptile Fossil Found in Gujarat - The Wire". https://thewire.in/192010/ichthyosaur-kutch-gujarat-vertebrate-fossils-late-jurassic-palaeogeography/. 
  3. ↑ 3.0 3.1 3.2 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. https://archive.org/details/image-to-pdf-20241001-20.10.43. 
  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). doi:10.1371/journal.pone.0185851. PMID 29069082. Bibcode: 2017PLoSO..1285851P. 

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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