Chari Formation

Chari Formation
Chari Formation
Stratigraphic range: Callovian-Oxfordian ; ~165–158 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Sub-units	Dhosa Conglomerate, Dhosa Oolite & Dhosa Sandstone Members
Lithology
Primary	Limestone, siltstone, sandstone
Other	Oolite
Location
Coordinates	23°30′N69°24′E / 23.5°N 69.4°E
Approximate paleocoordinates	23°36′S32°36′E / 23.6°S 32.6°E
Region	Gujarat
Country	India
Type section
Named for	Chari, "salt affected"
	Chari Formation (India) Chari Formation (Gujarat)

Last updated May 31, 2025

The Chari Formation is a Jurassic (Callovian to Oxfordian) geologic formation in Gujarat, western India.^[1] Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.^[2] The ammonite Reineckeia has also been found here. The skulls of two marine crocodiles have also been found and have been putatively identified as Steneosaurus .^[3]

Paleobiota

Dinosaurs

Sauropods

Sauropods of the Chari Formation
Genus	Species	Locality	Material	Notes	Photos
Sauropoda ^[4]	indet	Jumara	Proximal part of hindlimb.	A Sauropod

Pseudosuchians

Pseudosuchians of the Chari Formation
Genus	Species	Locality	Material	Notes	Photos
?Steneosaurus ^[3]	sp.	Dhosa Oolith	Two Skulls.	A Teleosauridae Pseudosuchian.

Invertebrates

Mollusca

Molluscas of the Chari Formation
Genus	Species	Locality	Material	Notes	Photos
Choffatia ^[4]	C. pardagatus	Jumara		A Perisphincitidae Ammonite.
Choffatia ^[4]	C. cobra	Jumara		A Perisphincitidae Ammonite.
Indosphinctes ^[4]	I. indica	Jumara		A Perisphincitidae Ammonite.
Phlycticeras ^[4]	sp.	Jumara		A Strigoceratidae Ammonite.
Reineckeia ^[4]	R. anceps	Jumara		A Reineckeiidae Ammonite.

References

↑ Chari Formation at Fossilworks.org
↑ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
1 2 Phansalkar, V. G.; Sudha, G.; A. S., Khadkikar (1994). "Giant marine reptilian skulls from the Jurassic of Kachchh, Gujarat". Current Science. 67(6): 460–461.
1 2 3 4 5 Jana, Sudipta K.; Das, Shiladri (2002-01-10). "A report of a 157.8 m.y.-old dinosaur bone from the Jurassic marine Chari Formation, Kutch, Gujarat and its taphonomic significance". Current Science. 82 (1): 85–88.

Bibliography

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)

R. Dutta and S. Bardhan. 2016. Systematics, endemism and phylogeny of Indian proplanulitins (Ammonoidea) from the Bathonian–Callovian of Kutch, western India. Swiss Journal of Paleontology 135:23-56
M. Alberti, D. K. Pandey, and F. T. Fürsich. 2011. Ammonites of the genus Peltoceratoides Spath, 1924 from the Oxfordian of Kachchh, western India. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 262:1-18
S. S. Das, S. Bardhan, and T. Kase. 2005. A new pleurotomariid gastropod assemblage from the Jurassic sequence of Kutch, western India. Paleontological Research 9(4):329-346
F. T. Fürsich, D. K. Pandey, W. Oschmann, A.K. Jaitly, and I.B. Singh. 1994. Ecology and adaptive strategies of corals in unfavourable environments: Examples from the Middle Jurassic of the Kachchh Basin, western India. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 194(2–3):269-303
D. N. Ghosh. 1990. Biometry of two species of Kallirhynchia (Buckman) from Callovian beds of Kutch, India. Brachiopods Through Time 97-100

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[FWChari-1] Chari Formation at Fossilworks.org

[dinosaurdistribution-2] Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.

[:1-3] 1 2 Phansalkar, V. G.; Sudha, G.; A. S., Khadkikar (1994). "Giant marine reptilian skulls from the Jurassic of Kachchh, Gujarat". Current Science. 67(6): 460–461.

[:2-4] 1 2 3 4 5 Jana, Sudipta K.; Das, Shiladri (2002-01-10). "A report of a 157.8 m.y.-old dinosaur bone from the Jurassic marine Chari Formation, Kutch, Gujarat and its taphonomic significance". Current Science. 82 (1): 85–88.

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