Rugose corals across the Devonian-Carboniferous boundary in NW Turkey

Denayer, Julien (2016) Rugose corals across the Devonian-Carboniferous boundary in NW Turkey. Acta Palaeontologica Polonica, 61 1: 51-70. doi:10.4202/app.00061.2014

Author Denayer, Julien
Title Rugose corals across the Devonian-Carboniferous boundary in NW Turkey
Journal name Acta Palaeontologica Polonica   Check publisher's open access policy
ISSN 1732-2421
Publication date 2016-03-01
Year available 2016
Sub-type Article (original research)
DOI 10.4202/app.00061.2014
Open Access Status DOI
Volume 61
Issue 1
Start page 51
End page 70
Total pages 20
Place of publication Warsaw, Poland
Publisher Polska Akademia Nauk * Instytut Paleobiologii
Collection year 2017
Language eng
Formatted abstract
An uppermost Famennian (Strunian) coral assemblage has been recovered in the middle part of the Yilanli Formation of the Istanbul Zone (Zonguldak and Bartin areas, NW Turkey). In the Bartin area, the studied fossiliferous interval corresponds to a c. 30 m-thick unit of bioclastic to peloidal wackestone to packstone grading to grainstone and including two stromatoporoid biostromes. In the Zonguldak area, 60 km westward, the bioclastic facies is dominant. The rugose corals are mainly solitary taxa belonging to the genera Campophyllum, Bounophyllum, Amplexocarinia, and ?Metriophyllum, and only one colonial genus occurs: Pseudoendophyllum. This fauna is similar to that documented in Europe. The campophyllids and dibunophyllids are the main component of the uppermost Famennian assemblages in S Belgium, N France, W Germany, NW and S Poland. The endophyllids occur in S Poland, Novaya Zemlya, and in the Ural Mountains. The Istanbul Zone is supposed to be situated in the central part of the Palaeotethys Ocean, along the southern margin of Laurussia during the uppermost Devonian and Carboniferous. The rugose corals indicate some relationship with the eastern part of Laurussia, or that both areas were under a common marine influence at this time. The global Hangenberg event was not recognized in the Turkish localities, except for the disappearance of the corals, occurring less than 19 m below the Devonian-Carboniferous boundary based on the foraminifers. There is no major facies change through the boundary and the first Carboniferous corals (small Uralinia and Caninophyllum) appear 6 m above the D-C boundary. The new species Caninophyllum charli sp. nov. is described from the upper part of the lower Tournaisian.
Keyword Famennian
Hangenberg event
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Earth Sciences Publications
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