{"refrec":{"BRefID":291045,"RR":"<b>Das, S.; Halder, K.</b> (2018). Control of climate and Tethyan legacy on distribution of Paleocene-Eocene gastropods and establishment of the Northern Tropical Realm. <i>J. Earth Syst. Sci. 127</i>: 58. <a href=\"https://dx.doi.org/10.1007/s12040-018-0959-7\" target=\"_blank\">https://dx.doi.org/10.1007/s12040-018-0959-7</a>","BEntID":283086,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>J. Earth Syst. Sci. 127</i>: 58. <a href=\"https://dx.doi.org/10.1007/s12040-018-0959-7\" target=\"_blank\">https://dx.doi.org/10.1007/s12040-018-0959-7</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Das, S.; Halder, K.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Das, S.; Halder, K.","Englishabstract":"Palaeobiogeographical distribution of gastropod genera from the Paleocene and the Eocene has been analysed. Based on this distribution formal palaeobiogeographical provinces have been established and their relationships sought. It has been found that the provinces were largely restricted to the palaeo-tropics and subtropics mainly of the Northern Hemisphere and they share a large proportion of their generic composition. The Northern Tropical Realm has been established to include these provinces. The distribution evinces presence of ocean surface currents in the tropics across longitudes. The possible currents moved through the relict Tethys Ocean, across the Atlantic Ocean and perhaps also across the Pacific. However, planktotrophic larvae of these benthic molluscs could not cross the deep ocean barrier that lay between the Northern Tropical Realm and the Austro-New Zealand Province of the Southern Hemisphere. The gastropod fauna in the latter province evolved independently. Distribution of all the provinces within palaeo-tropics and subtropics indicates strong control of temperature over it. Paleocene-Eocene Thermal Maximum appears to be responsible for extinction and range contraction of high latitude faunas. Low latitude faunas also suffered significant extinction. However, large diversification in the Eocene was a response to widespread transgression that coincided with the thermal event.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Control of climate and Tethyan legacy on distribution of Paleocene-Eocene gastropods and establishment of the Northern Tropical Realm","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-12 01:31:44.904368","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Palaeobiogeography;  Northern Tropical Realm; Paleocene-Eocene Thermal Maximum","OtherDescriptors":null,"Notes":null,"AnaPub":2018,"MonPub":null,"DateUpdate":"2022-07-22","DateCreate":"2017-11-22","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000433621800002","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/s12040-018-0959-7"},"refs":null,"anarec":{"AnaID":291045,"PubliDate":2018,"Pagination":"58","XtraPublOfAnaID":null,"ISBN":null,"Volume":"127","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":291044,"SerRR":"Journal of Earth System Science. 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