Created by LavadaDonald013
Last edited January 31, 2026


Template:Infobox rockunit

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.[1]

Paleobiota[edit | edit source]

Dinosaurs[edit | edit source]

Sauropods of the Katrol Formation
Genus Species Material Notes Photos
Sauropoda[2] Indeterminate Footprints A Sauropod.

Theropods[edit | edit source]

Theropods of the Katrol Formation
Genus Species Material Notes Photos
Megalosauridae? Indeterminate Footprints and vertebrae. Originally described as an Allosauroid.[2]

Ornithischian[edit | edit source]

Ornithischians of the Katrol Formation
Genus Species Material Notes Photos
Ornithopoda?[2] Indeterminate Footprints An Ornithopod

Sauropterygians[edit | edit source]

Sauropterygians of the Katrol Formation
Genus Species Material Notes Photos
Cryptoclididae[3] Indeterminate BHU No. 11701, Nineteen connected cervical vertebrae about 1 metre long. A Plesiosaur.

Ichthyosaurs[edit | edit source]

Ichthyosaurs of the Katrol Formation
Genus Species Material Notes Photos
Ophthalmosauridae[4] Indeterminate Articulated partial skeleton. An Ophthalmosaurid Ichthyosaur, estimated to be 5 to 5.5 metres long.

Mollusca[edit | edit source]

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[edit | edit source]

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


See also[edit | edit source]

References[edit | edit source]

  1. Supriya, Lakshmi. "Remarkably Complete 150 Million Year Old Marine Reptile Fossil Found in Gujarat - The Wire". thewire.in.
  2. 2.0 2.1 2.2 Dinosaur Fauna from Mesozoic Rocks of Western India- Z.G. Ghevariya and C. Srikarni
  3. 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.
  4. 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[edit | edit source]

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