{{short description|Geologic formation in India}} {{Use dmy dates|date=July 2019}} {{Infobox rockunit | name = Naredi Formation | type = Geological formation | age = Eocene, {{fossilrange|56|47.8}} | period = Eocene | region = Gujarat | country = India | coordinates = 25.3° N, 91.3° E | map = {{Location map+ | India | relief = 1 | width = 250 | float = center | places = {{Location map~ | India | lat_deg = 23.6 | lon_deg = 68.6 | mark = Orange pog.svg | marksize = 10 }} }} | map_caption = |image=File:Naredi Formation.png|caption=Outcrop of the Naredi Formation at the Panadhro Lignite Mine}}
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.<ref name="Vasuki"/>
== Paleobiota ==
=== Mammals === ;Cetacea {| class="wikitable" align="center" |- ! Genus !! Species !! Location !! Material !! Notes !! Images |- | ''Andrewsiphius''<ref name="Reuters">{{Cite web |last=Dunham |first=Will |date=April 18, 2024 |title=Fossils of colossal snake Vasuki unearthed in India mine |url=https://www.reuters.com/science/fossils-colossal-snake-vasuki-unearthed-india-mine-2024-04-18/ |website=Reuters}}</ref> | ''A. sloani'' | | | An early cetacean. | |- | ''Kutchicetus''<ref name="Reuters"/> | ''K. minimus'' | | | An early cetacean. | |- |}
=== Reptiles ===
==== Pseudosuchians ==== {| class="wikitable" align="center" |- ! Genus !! Species !! Location !! Material !! Notes !! Images |- | Crocodilia<ref name="Press2">{{Cite web |last=Larson |first=Christina |date=18 April 2024 |title=This ancient snake in India might have been longer than a school bus and weighed a ton |url=https://apnews.com/article/ancient-giant-snake-india-8ca7b6b971b0a1b6c79ce50819d337c6 |access-date=19 April 2024 |website=AP News |language=en}}</ref> | Indeterminate | | | A fragmentary Crocodilian. | |- |}
==== Snakes ==== {| class="wikitable" align="center" |- ! Genus !! Species !! Location !! Material !! Notes !! Images |- | ''Vasuki''<ref name="Vasuki">{{Cite journal |last1=Datta |first1=Debajit |last2=Bajpai |first2=Sunil |date=18 April 2024 |title=Largest known madtsoiid snake from warm Eocene period of India suggests intercontinental Gondwana dispersal |journal=Scientific Reports |language=en |volume=14 |issue=1 |pages=8054 |doi=10.1038/s41598-024-58377-0 |pmid=38637509 |issn=2045-2322|doi-access=free |bibcode=2024NatSR..14.8054D |pmc=11549349 }}</ref> | ''V. indicus'' | | | A madtsoiid snake.<ref name="Vasuki"/> | |- |}
==== Turtles ==== {| class="wikitable" align="center" |- ! Genus !! Species !! Location !! Material !! Notes !! Images |- | Testudines<ref name="Press2"/> | Indeterminate | | | A turtle. | |- |}
=== Fishes === {| class="wikitable" align="center" |- ! Genus !! Species !! Location !! Material !! Notes !! Images |- | Siluriformes<ref name="Press2"/> | Indeterminate | | | A catfish. | |- | ''Cylindracanthus''<ref>{{Cite journal|last1=Kumar |first1=P. |last2=Patnaik |first2=R. |last3=Choudhary |first3=D. |last4=Kumar |first4=R. |last5=Wazir |first5=W. A. |year=2024 |title=First report of ''Cylindracanthus'' (Osteichthyes) from the Eocene of India |journal=Palæovertebrata |volume=47 |issue=1 |at=e2 |doi=10.18563/pv.47.1.e2 |doi-broken-date=12 July 2025 |url=https://www.palaeovertebrata.com/Articles/view/407 }}</ref> | ''C. sp.'' | |(PU/KTU-1) "Isolated rostrum." | A ray-finned fish | |- |}
=== Mollusca === {| class="wikitable" align="center" |- ! Genus !! Species !! Location !! Material !! Notes !! Images |- | ''Deltoidonautilus''<ref name="Press2"/> | ''D. vredenburgin'' | | | A nautiloid | |- | ''Caestocorbula''<ref name="Press2"/> | ''C. gujaratensis'' | | | A clam. | |- | ''Bicorbula''<ref name="Press2"/> | ''B. kutchensis'' | | | A clam. | |- |}
== References == {{reflist}}
Category:Eocene Asia Category:Geologic formations of India