Late Ordovician Brachiopods From The Otar Member Of The Chu‐Ili Range, South Kazakhstan

Brachiopods from the Otar Member (upper Caradoc) of the Dulankara Formation, Kazakhstan, are revised. Twenty‐one species are represented of which the orthoid genus Bokotorthis and strophomenoid genus Karomena are new. New species are Phaceloorthis reconditaPlaesiomys fidelisAnoptambonites kovalevski...

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Published inPalaeontology Vol. 43; no. 5; pp. 833 - 870
Main Authors Popov, Leonid E., Nikitin, Igor F., Cocks, L. R. M.
Format Journal Article
LanguageEnglish
Published Oxford, UK and Boston, USA Blackwell Publishers Ltd 01.11.2000
Subjects
Anoptambonites kovalevskii
Bokotorthis
Dzhebaglina plicata
Karomena
Karomena squalida
Key words: Brachiopoda, Caradoc, South Kazakhstan, shallow‐water facies, palaeoecology, palaeobiogeography
Phaceloorthis recondite
Plaesiomys fidelis
Kazakhstan, Dulankara Formation
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Summary:Brachiopods from the Otar Member (upper Caradoc) of the Dulankara Formation, Kazakhstan, are revised. Twenty‐one species are represented of which the orthoid genus Bokotorthis and strophomenoid genus Karomena are new. New species are Phaceloorthis reconditaPlaesiomys fidelisAnoptambonites kovalevskii, Karomena squalidaDzhebaglina plicata. Three ecological associations are identified, the Altaethyrella‐Nalivkinia (Pronalivkinia) Association, the Ctenodonta‐Sowerbyella Association and the Dinorthis Association, all living in shallow‐water (BA2) environments. The fauna shows closest affinity with South China, but contains two genera only known elsewhere from Australia.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:0031-0239
1475-4983
DOI:10.1111/1475-4983.00152