Repozytorium Uniwersytetu Jagiellońskiego

The trace fossil Nummipera eocenica from the Tatra Mountains, Poland : morphology and palaeoenvironmental implications

The trace fossil Nummipera eocenica from the Tatra ...

Metadane (Dublin Core) Jach, Renata [SAP11018138] pl Machaniec, Elżbieta [SAP11015543] pl Uchman, Alfred [SAP11011964] pl 2016-05-11T11:16:56Z 2016-05-11T11:16:56Z 2011 pl 2012 pl
dc.identifier.issn 0024-1164 pl
dc.language eng pl
dc.rights Dodaję tylko opis bibliograficzny *
dc.rights.uri *
dc.title The trace fossil Nummipera eocenica from the Tatra Mountains, Poland : morphology and palaeoenvironmental implications pl
dc.type JournalArticle pl
dc.description.physical 342-355 pl
dc.abstract.en The tubular trace fossil Nummipera eocenica Hölder 1989 occurs in a single stratigraphical horizon in Eocene nummulitic limestones of the Tatra Mountains, Poland. The wall of N. eocenica is built of Discocyclina and Nummulities (larger foraminifera) tests, very rarely of the Ditrupa (Polychaeta) tube fragments, bivalve shell fragments, echinoid spines and coralline algae. Morphotype are distinguished on the basis of wall composition and structure. Morphotype A is dominated by fusiform Discocyclina tests, which were preferentially selected by the trace makers for construction of a well-constructed and resistant wall. Morphotype B contains more robust tests of Nummulites, while morphotype C is dominated by saddle-shaped tests of Discocyclina. Nummipera eocenica was produced during a period of seafloor stabilization caused by a deepening. The succession of the morphotypes B, A reflects diminishing energy and increasing water depth. Probably morphotype C represents even lower energy environment than morphotype A. The trace fossil is interpreted as a domichnion, which wall was constructed for protection. The trace maker can be considered between polychaetes and crustaceans; however, comparisons to the closest recent analogues, the polychaete Diopatra cuprea or alpheid shrimps, are not satisfactory. pl
dc.subject.en Bartonian pl
dc.subject.en burrow pl
dc.subject.en Carpathians pl
dc.subject.en large foraminifera pl
dc.subject.en trace fossils pl
dc.description.volume 45 pl
dc.description.number 3 pl
dc.identifier.doi 10.1111/j.1502-3931.2011.00289.x pl
dc.identifier.eissn 1502-3931 pl
dc.title.journal Lethaia pl
dc.language.container eng pl
dc.affiliation Wydział Biologii i Nauk o Ziemi : Instytut Nauk Geologicznych pl
dc.subtype Article pl
.pointsMNiSW [2012 A]: 35

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