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''E. falconeri'' and ''E. sivalensis'', while both ''Enhydriodon'' species that were present in the Siwalik Hills in India and Pakistan during the [[Neogene]] period, did not coexist for the same epochs based on their formation deposit appearances. ''E. falconeri'' remains were present at the Nagri Formation ([[Dhok Milan]] and [[Sethi Nagri]], [[Pakistan]]) and the Dhok Pathan Formation (Dhok Pathan and [[Hasnot]], Pakistan), both formations dating back to the middle Siwaliks representing late Miocene. The species was also present at the Tatrot Formation ([[Tatrot]], India) of the Upper Siwaliks from the early or middle [[Pliocene]]. In the Nagri and Dhok Pathan Formations, ''E. falconeri'' was shown to have existed with several archaic mammalian carnivorous families that went extinct before the Pliocene, such as [[Hyainailourinae|hyainailourine]] [[hyaenodont]]s and [[amphicyonid]]s. The early otter species also existed with various extinct carnivorous members of extant families during the late Miocene representing other [[mustelids]], ursids, felids ([[felinae|felines]] and [[machairodontine]]s), hyaenids ([[Percrocutidae|percrocutinae]] hyaenids [[Ictitheriinae|ictitheres]], and hyaenines), viverrids, and [[herpestid]]s. It is suggested that the extinction of the amphicyonids and percrocutids left empty predatory niches that were quickly filled by other hyaenid genera, which became highly diversified and coexisted with felids in the subcontinent.<ref name="siwaliks">{{cite journal|last1=Jasinski|first1=Steven E.|last2=Abbas|first2=Sayyed Ghyour|last3=Mahmood|first3=Khalid|last4=Babar|first4=Muhammad Adeeb|last5=Khan|first5=Muhammad Akbar|year=2022|title=New Carnivoran(Mammalia: Carnivora) specimens from the Siwaliks of Pakistan and India and their faunal and evolutionary implications|journal=Historical Biology: An International Journal of Paleobiology|pages=1–36|doi=10.1080/08912963.2022.2138376|s2cid=253346978 }}</ref>
Other extinct members of extant and extinct mammalian families were found in the Nagri Formation and thereby existed with ''E. falconeri'' including bovids, [[giraffid]]s, [[anthracothere]]s, [[tragulid]]s, the [[suidae|suids]], [[Hipparion|hipparionine]] [[equid]]s, [[rhinocerotid]]s, [[chalicothere]]s, "[[gomphothere]]s", [[hominid]]s, and [[spalacid]]s.<ref>{{cite journal|last1=Khan|first1=Muhammad Akbar|last2=Akhtar|first2=Muhammad|last3=Ikram|first3=Tasneem|title=True Ungulates From The Nagri Type Locality (Late Miocene), Northern Pakistan|journal=Journal of Animal and Plant Sciences|volume=22|pages=1–59}}</ref> An extinct reptilian species of [[gharial]], ''[[Gavialis]] lewisi'' (?), is reported from the Dhok Pathan Formation of Pakistan and is Pliocene in age.<ref name="gavialis">{{cite journal|last=Martin|first=Jérémy|year=2018|title=The taxonomic content of the genus Gavialis from the Siwalik Hills of India and Pakistan|journal=Papers in Palaeontology|volume=5|issue=3|pages=483–497|doi=10.1002/spp2.1247|s2cid=134966832 |url=https://hal.archives-ouvertes.fr/hal-02123647/file/2019Gavialis.pdf }}</ref> Mammal genera that were found in the Dhok Pathan Formation are generally consistent with the mammal genera found within the Nagri Formation but also include other bovids, giraffids, [[Cervinae|cervine]] [[cervids]], anthracotheres, suids, hipparionines, rhinocerotids, "tetralophodont gomphotheres," [[cercopithecid]]s, and [[hystricidae|hystricids]].<ref>{{cite journal|last1=Khan|first1=Muhammad Akbar|last2=Akhtar|first2=Muhammad|last3=Iliopoulos|first3=George|year=2012|title=Tragulids (Artiodactyla, Ruminantia, Tragulidae) from the middle Siwaliks of Hasnot (Late Miocene), Pakistan|journal=Rivista Italiana di Paleontologia e Stratigrafia|volume=118|issue=2|pages=325–341|doi=10.13130/2039-4942/6009}}</ref><ref>{{cite journal|last1=Ghaffar|first1=Abdul|last2=Akhtar|first2=Muhammad|last3=Babar|first3=Muhammad Adeeb|last4=Roohi|first4=Ghazala|year=2018|title=Cervidae from Dhok Pathan and Hasnot areas (Dhok Pathan Formation, Northern Pakistan) with comments on the age of these sediments|journal=Revista Brasileira de Paleontologia|volume=21|issue=2|pages=132–140|doi=10.4072/rbp.2018.2.04|s2cid=59060740 |doi-access=free}}</ref><ref>{{cite journal|last1=Abbas|first1=Ghyour|last2=Babar|first2=Muhammad Adeeb|last3=Khan|first3=Muhammad Akbar|last4=Un Nisa|first4=Badar|year=2021|title=New proboscidean material from the Siwalik Group of Pakistan with remarks on some species|journal=PaleoBios|volume=38|issue=1|pages=1–12|doi=10.5070/P9381054113|s2cid=237772570 |doi-access=free}}</ref><ref>{{cite journal|last1=Babar|first1=Muhammad Adeeb|last2=Aftab|first2=Kiran|last3=Khan|first3=Muhammad Akbar|last4=Abbas|first4=Ghyour|year=2021|title=Tetraconodon and Sivachoerus (Suidae) from Dhok Pathan and Hasnot area of Potwar Plateau, northern Pakistan|journal=Arabian Journal of Geosciences|volume=14|issue=2473|pages=1–6|doi=10.1007/s12517-021-08684-x|s2cid=244120161 }}</ref>
[[Image:Hipparion sp 87348.jpg|thumb|right|The arrival of [[Hipparionini]] equids such as ''[[Hipparion]]'' to Eurasia are representative of major Eurasian faunal turnovers of the late Miocene]]
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