{"refrec":{"BRefID":219920,"RR":"<b>Morsi, A.-M.M.; Speijer, R.P.; Stassen, P.; Steurbaut, E.</b> (2011). Shallow marine ostracode turnover in response to environmental change during the Paleocene–Eocene thermal maximum in northwest Tunisia. <i>J. Afr. Earth Sci. 59(2-3)</i>: 243-268. <a href=\"http://dx.doi.org/10.1016/j.jafrearsci.2010.11.001\" target=\"_blank\">http://dx.doi.org/10.1016/j.jafrearsci.2010.11.001</a>","BEntID":211654,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Afr. Earth Sci. 59(2-3)</i>: 243-268. <a href=\"http://dx.doi.org/10.1016/j.jafrearsci.2010.11.001\" target=\"_blank\">http://dx.doi.org/10.1016/j.jafrearsci.2010.11.001</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Morsi, A.-M.M.; Speijer, R.P.; Stassen, P.; Steurbaut, E.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Morsi, A.-M.M. <i>et al.</i>","Englishabstract":"Two outcrop sections spanning the Paleocene–early Eocene boundary in the Sidi Nasseur–Wadi Mezaz area in northwest Tunisia provided rich ostracode assemblages, yielding 26 species of which three are newly described: <em>Reymenticosta bassiounii</em>, <em>Reymenticosta nasseurensis</em> and <em>Buntonia? tunisiensis</em>. The recorded ostracode fauna and associated foraminifera reflect deposition in a coastal to inner neritic environment. Many of the recorded taxa have a wide geographic distribution throughout the Middle East and North Africa. A correspondence is also observed with West African faunas, especially in the early Eocene fauna. These taxa seem to have originated in West Africa during the Paleocene and migrated northwards during the late Paleocene to early Eocene. Sea-level change and decrease in oxygenation associated with the Paleocene–Eocene thermal maximum (PETM) caused the local disappearance of the South Tethyan Paleocene fauna represented by <em>Paracosta kefensis</em> (morphotype-A), <em>Paracosta</em> aff. <em>paleomokattamensis</em>, <em>Paracypris</em> sp. B Esker, <em>Loxoconcha saharaensis</em>, <em>Buntonia</em> sp. 3 Donze et al., <em>Protobuntonia nakkadii</em>, and probably <em>Reymenticosta bassiounii</em> and <em>R. nasseurensis</em>. Simultaneously, a new but poorly diverse Afro-Tethyan fauna, mainly represented by <em>Alocopocythere attitogonensis</em> and <em>Buntonia? tunisiensis</em>, settled in the studied part of the basin. After the PETM, diversity increased again as various taxa (e.g. <em>Bairdia aegyptiaca</em>, <em>Reticulina lamellata</em> and <em>Aegyptiana duwiensis</em>) (re)appeared. Although detailed records across the P/E boundary are still sparse, it appears that the PETM exerted significant influence on the paleobiogeography and composition of Tethyan ostracode faunas.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Shallow marine ostracode turnover in response to environmental change during the Paleocene–Eocene thermal maximum in northwest Tunisia","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-10 01:31:45.208777","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"    Paleocene/Eocene boundary;     PETM;     Ostracoda;     Taxonomy;     Biostratigraphy;     Paleoecology;     Paleobiogeography;     Tunisia","OtherDescriptors":null,"Notes":null,"AnaPub":2011,"MonPub":null,"DateUpdate":"2015-11-04","DateCreate":"2012-11-12","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000287911200007","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.jafrearsci.2010.11.001"},"refs":null,"anarec":{"AnaID":219920,"PubliDate":2011,"Pagination":"243-268","XtraPublOfAnaID":null,"ISBN":null,"Volume":"59","Issue":"2-3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45914,"SerRR":"Journal of African Earth Sciences. 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