Article (Scientific journals)
Lower Viséan (Lower Carboniferous) rugose corals from the Donets Basin (Ukraine)
Ohar, Viktor; Denayer, Julien
2022In Revista Brasileira de Paleontologia, 24 (4), p. 281-310
Peer reviewed
 

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Keywords :
Paleontology
Abstract :
[en] Rugose corals are described from the lower Viséan of the Donets Basin. The new coral Dorlodotidae fam. nov. and the species Cyathoclisia sukhensis sp. nov. are here introduced and the presence of the genera Amygdalophyllum and Ceriodotia are established for the first time in the Donets Basin. The priority of the generic name Protolonsdaleia over Eolithostrotionella is discussed. The lower Viséan rugose coral assemblage of the Donets Basin differs from those of the upper Tournaisian and upper Viséan. Global and regional events may have led to abrupt changes in sedimentation conditions at the end of the Tournaisian time and at the beginning of the late Viséan. The colonial rugose corals Siphonodendron, Dorlodotia, Protolonsdaleia and Ceriodotia appear in the early Viséan of the Donets Basin as in many other regions of Eurasia. The similarity of the lower Viséan coral assemblage of the Donets Basin with that of the Western Paleotethys is noted but at the same time, there are significant differences with the regions of the Eastern Paleotethys. This is due to the presence of a possible paleogeographic barrier located to the eastern part of Laurussia hindering the migration of corals.Keywords: Mississippian, Viséan, corals, paleobiogeography, Ukraine.
Disciplines :
Earth sciences & physical geography
Author, co-author :
Ohar, Viktor 
Denayer, Julien  ;  Université de Liège - ULiège > Département de géologie > Evolution and diversity dynamics lab
Language :
English
Title :
Lower Viséan (Lower Carboniferous) rugose corals from the Donets Basin (Ukraine)
Publication date :
22 February 2022
Journal title :
Revista Brasileira de Paleontologia
ISSN :
1519-7530
eISSN :
2236-1715
Publisher :
Sociedade Brasileira de Paleontologia
Volume :
24
Issue :
4
Pages :
281-310
Peer reviewed :
Peer reviewed
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since 31 May 2022

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