{"refrec":{"BRefID":234237,"RR":"<b>Martin, F.; Dean, W.T.</b> (1996). Recognition of the acritarch-based \"<i>trifidum</i> flora\" (Ordovician) in the absence of the eponymous species. <i>Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 66</i>: 5-13","BEntID":225921,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":null,"RefStringPartII":". <i>Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 66</i>: 5-13","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Martin, F.; Dean, W.T.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Martin, F.; Dean, W.T.","Englishabstract":"The term \"<i>trifidum</i> flora\" was based on acritarchs from, possibly, the <i>Tetragraptus approximatus</i> Biozone of northwest England. It has been suggested as an index horizon for the base of the Arenig Series but may represent a number of assemblages of slightly different age, and the index species. <i>Stelliferidium trifidum</i>, first described from the Tremadoc Series of Shropshire, is not always present. The diagnostic potential of other acritarchs, especially <i>Peteinosphaeridium</i> sp., is noted and relevant material from south central and southeast Turkey reviewed.","AbstractOtherLang":"La \"flore à <i>trifidum</i>\" a été définie sur base d'acritarches dont la provenance possible est la Biozone à <i>Tetragraptus approximatif</i> du nord-ouest de l'Angleterre. Elle a été proposée comme horizon-index de la base de la série arénigienne. Elle peut cependant réunir des assemblages d'âge légèrement différent et de l'espèce-index, <i>Stelliferidium trifidum</i>, dont la première description se base sur du matériel provenant de la Série trémadocienne du Shropshire, n'est pas toujours présente. Le potentiel diagnostique d'autres acritarches, particulièrement de <i>Peteinosphaeridium</i> sp., est signalé et du matériel significatif, provenant des parties centrale et orientale du sud de la Turquie, est revisé.","BibLvlCode":"AS","StandardTitle":"Recognition of the acritarch-based \"<i>trifidum</i> flora\" (Ordovician) in the absence of the eponymous species","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-02 08:33:14.980000","timezone_type":1,"timezone":"+00:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"\"trifidum\" flora, acritarchs, Tremadoc-Arenig","OtherDescriptors":null,"Notes":null,"AnaPub":1996,"MonPub":null,"DateUpdate":"2014-03-14","DateCreate":"2014-03-14","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":234237,"PubliDate":1996,"Pagination":"5-13","XtraPublOfAnaID":null,"ISBN":null,"Volume":"66","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":64308,"SerRR":"Bulletin van het Koninklijk Belgisch Instituut voor Natuurwetenschappen. 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