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24 avril 2020
- handle: 10670/1.roj2x8
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Copyright (c) 2020 Pandeli llazar Pashko , https://creativecommons.org/licenses/by-nc/4.0
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Upper Silurian Biostratigraphy Graptolites Muhurr Albania.Sujets proches
Stage Dramatics Histrionics Theatre Professional theater Speciation (Biology) Stage Drama, Modern Plays Drama--Philosophy Stage HistrionicsCiter ce document
Pandeli llazar Pashko, « Upper Silurian (Gorstian, Ludfordian, PŘÍDOLÍ) Graptolite Biozonation in the Muhurr area (Albania) », eJournals, ID : 10670/1.roj2x8
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Résumé
Three stratigraphical sections and several outcrops through the upper Silurian graptolite shales of the Muhurr area, Albania have been revised. Based on a new detailed re-examination and re-evaluation of graptolite collections and previously unpublished and published studies, a biozonal scheme with much new biostratigraphical data is established. The graptolite assemblages are dominated by Monograptidae: Neodiversograptus, Saetograptus, Bohemograptus, Colonograptus, Pseudomonoclimacis and Lobograptus which are associated with several Retiolitidae. A total of 37 graptolite species has been identified; selected important species are illustrated. The present study recognized and defined the following seven upper Silurian graptolite biozones: nilssoni and scanicus-chimaera in the Gorstian Stage, leintwardinensis, tenuis and formosus in the Ludfordian Stage and parultimus-ultimus and perneri in the Přídolí Series.