Bhuj Formation

Bhuj Formation
Bhuj Formation
Stratigraphic range:
Type	Geological formation
Sub-units	Umia, Ghuneri & Ukra members
Underlies	N/A
Overlies	Katrol Formation
Lithology
Primary	Sandstone
Location
Coordinates	23°42′N 69°00′E / 23.7°N 69.0°E
Approximate paleocoordinates	30°18′S 33°48′E / 30.3°S 33.8°E
Region	Gujarat, Kutch
Country	India
	Bhuj Formation (India)

The Bhuj Formation is a Cretaceous (Valanginian to Santonian)^[1] geologic formation in India. Fossil sauropod tracks and tracks from the ichnogenera Skolithos, Diplocraterion, Pholeus and Planolites have been reported from the formation.^[2]

Geology

Color key

Taxon	Reclassified taxon	Taxon falsely reported as present	Dubious taxon or junior synonym	Ichnotaxon	Ootaxon	Morphotaxon

Notes
Uncertain or tentative taxa are in small text; ~~crossed out~~ taxa are discredited.

Sauropterygians from the Bhuj Formation
Genus	Species	Material	Time period	Notes	Images
Simolestes^[3]	S. indicus	Symphysis of the mandible, about 3.55 inches long	Late Jurassic	Originally referred to as Plesiosaurus indicus.^[4] Might not belong to Simolestes.^[5]

Molluscas from the Bhuj Formation
Genus	Species	Material	Notes
Umiaites	sp.
Virgatosphinctes	sp.
Aulacosphinctes	sp
Tropaeum	T. australis
Opisthotrigonia	O. retrorsa
Indotrigonia	I. beyschlagi
Pterotrigonia	P. umiensis
	P. kitchinin
	P. ventricosa
	P. ghuneriensis
	P. sp.
Gervillella	G. anceps
Megatrigonia	sp.
Cheloniceras	C. martini
Astarte	A. major
Aulacosphinctes	sp.
Micracanthoceras	sp.
Tithopeltoceras	T. lakhaparensis
Opisthotrigonia	O. retrorsa
Megacucullaea	M. eminens
Pleurotomaria	P. umiensis
Bathrotomaria	B. brihattama
Chlamys	C. moondanensis
Gryphaea	sp.
Lithophaga	sp.
Opisthotrigonia	O. spissicostata
Iotrigonia	I. vscripta
Iotrigonia	I. recurva
Steinmanella	S. mamillata
Astarte?	A. venkatappayyi
Deshayesites	D. deshayesi
Laevitrigonia	L. cardiniiformis

↑ Lohani, Nidhi; Mukherjee, Soumyajit; Singh, Seema; Pawar, Aashu; Shaikh, Mohamedharoon (2023), "Structural Geological Field Guide: Bhuj Area (Gujarat, India)", in Mukherjee, Soumyajit (ed.), Structural Geology and Tectonics Field Guidebook—Volume 2, Cham: Springer International Publishing, pp. 227–250, doi:10.1007/978-3-031-19576-1_7, ISBN 978-3-031-19576-1, retrieved 2026-04-02
↑ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
↑ 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.
↑ Lydekker, Richard (1877), English: Notices of New and Other Vertebrata From Indian Tertiary and Secondary Rocks, retrieved 2024-02-27
↑ Noè, L. F. (2001). A taxonomic and functional study of the Callovian (Middle Jurassic) Pliosauroidea (Reptilia, Sauropterygia). Chicago

Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, retrieved 2019-02-21{{citation}}: CS1 maint: publisher location (link)