Katrol Formation

Katrol Formation
Katrol Formation
Stratigraphic range: Kimmeridgian-Tithonian; ~150–145 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Underlies	Bhuj Formation , Umia Formation
Overlies	Wagad Formation
Area	Kutch
Location
Coordinates	23°30′N 70°30′E / 23.5°N 70.5°E
Approximate paleocoordinates	27°24′S 33°18′E / 27.4°S 33.3°E
Region	Gujarat
Country	India
	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[edit]

Dinosaurs of the Katrol Formation
Genus	Species	Material	Notes	Photos
Sauropoda^[3]	Indeterminate	Footprints	A Sauropod
Ornithopoda?^[3]	Indeterminate	Footprints	An Ornithopod
Megalosauridae?	Indeterminate	Footprints	Originally described as an Allosauroid.^[3]

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

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

Molluscs of the Katrol Formation
Genus	Species	Material	Notes
Palaeonucula	P. cuneiformis
Palaeonucula	P. stoliczkai
Trigonia	Sp.
Nuculoma	N. wynnei
Belemnoidea	Indeterminate

^ "Katrol Formation, Kutch, India: Varying interactions between eustasy and basin subsidence". ResearchGate. Retrieved 30 October 2017.
^ Supriya, Lakshmi. "Remarkably Complete 150 Million Year Old Marine Reptile Fossil Found in Gujarat - The Wire". thewire.in.
^ ^a ^b ^c Dinosaur Fauna from Mesozoic Rocks of Western India- Z.G. Ghevariya and C. Srikarni
^ 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.
^ 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.

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