Naredi Formation

Naredi Formation
Naredi Formation
Stratigraphic range: Eocene, 56–47.8 Ma PreꞒ Ꞓ O S D C P T J K Pg N
	Outcrop of the Naredi Formation at the Panadhro Lignite Mine
Type	Geological formation
Location
Coordinates	25.3° N, 91.3° E
Region	Gujarat
Country	India
	Naredi Formation (India)

The Naredi Formation is a Cenozoic geologic formation in India. Remains of large snakes such as Vasuki are among the fossils that have been recovered from the formation, as well as other flora and fauna.

Paleobiota

Mammals

Cetacea

Genus	Species	Location	Material	Notes	Images
Andrewsiphius	A. sloani			An early cetacean.
Kutchicetus	K. minimus			An early cetacean.

Reptiles

Pseudosuchians

Genus	Species	Location	Material	Notes	Images
Crocodilia	Indeterminate			A fragmentary Crocodilian.

Snakes

Genus	Species	Material	Notes
Vasuki	V. indicus	Numerous vertebrae.	A madtsoiid snake.
Nigerophiidae?	Indeterminate	Isolated vertebra.	A potential nigerophiid snake.
Madtsoiidae	Indeterminate	Isolated vertebra.	Another large madtsoiid snake, the centrum length is 6.79 cm and width is 9.58 cm.

Turtles

Genus	Species	Location	Material	Notes	Images
Testudines	Indeterminate			A turtle.

Fishes

Genus	Species	Location	Material	Notes	Images
Siluriformes	Indeterminate			A catfish.
Cylindracanthus	C. sp.		(PU/KTU-1) "Isolated rostrum."	A ray-finned fish

Mollusca

Genus	Species	Notes
Deltoidonautilus	D. vredenburgin	A nautiloid
Caestocorbula	C. gujaratensis	A clam.
Bicorbula	B. kutchensis	A clam.

References

1 2 3 Datta, Debajit; Bajpai, Sunil (18 April 2024). "Largest known madtsoiid snake from warm Eocene period of India suggests intercontinental Gondwana dispersal". Scientific Reports. 14 (1): 8054. Bibcode:2024NatSR..14.8054D. doi:10.1038/s41598-024-58377-0. ISSN 2045-2322. PMC 11549349. PMID 38637509.
1 2 Dunham, Will (18 April 2024). "Fossils of colossal snake Vasuki unearthed in India mine". Reuters.
1 2 3 4 5 6 Larson, Christina (18 April 2024). "This ancient snake in India might have been longer than a school bus and weighed a ton". AP News. Retrieved 19 April 2024.
1 2 Datta, D.; Bajpai, S. (2025). "Fossil snakes from the Eocene of India: new material with comments on phylogenetic relations and biogeographic and paleoecological implications". Journal of Paleontology. 99 (2): 403–429. Bibcode:2025JPal...99..403D. doi:10.1017/jpa.2025.10101.
↑ Kumar, P.; Patnaik, R.; Choudhary, D.; Kumar, R.; Wazir, W. A. (2024). "First report of Cylindracanthus (Osteichthyes) from the Eocene of India". Palæovertebrata. 47 (1). e2. doi:10.18563/pv.47.1.e2 (inactive 12 July 2025).{{cite journal}}: CS1 maint: DOI inactive as of July 2025 (link)

[Vasuki-1] 1 2 3 Datta, Debajit; Bajpai, Sunil (18 April 2024). "Largest known madtsoiid snake from warm Eocene period of India suggests intercontinental Gondwana dispersal". Scientific Reports. 14 (1): 8054. Bibcode:2024NatSR..14.8054D. doi:10.1038/s41598-024-58377-0. ISSN 2045-2322. PMC 11549349. PMID 38637509.

[Reuters-2] 1 2 Dunham, Will (18 April 2024). "Fossils of colossal snake Vasuki unearthed in India mine". Reuters.

[Press2-3] 1 2 3 4 5 6 Larson, Christina (18 April 2024). "This ancient snake in India might have been longer than a school bus and weighed a ton". AP News. Retrieved 19 April 2024.

[Datta26-4] 1 2 Datta, D.; Bajpai, S. (2025). "Fossil snakes from the Eocene of India: new material with comments on phylogenetic relations and biogeographic and paleoecological implications". Journal of Paleontology. 99 (2): 403–429. Bibcode:2025JPal...99..403D. doi:10.1017/jpa.2025.10101.

[5] Kumar, P.; Patnaik, R.; Choudhary, D.; Kumar, R.; Wazir, W. A. (2024). "First report of Cylindracanthus (Osteichthyes) from the Eocene of India". Palæovertebrata. 47 (1). e2. doi:10.18563/pv.47.1.e2 (inactive 12 July 2025).{{cite journal}}: CS1 maint: DOI inactive as of July 2025 (link)