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2000•Acta Geologica PolonicaRequires access

Late Famennian pelagic shark assemblages

Michał Ginter

Open publisher page 31 citations

Abstract

Chondrichthyan microremains from a section at Soureille d'Izarne (Montagne Noire, southern France), with a new species, Thrinacodus tranqllillus sp. n., are described and compared to several other late Famennian pelagic chondrichthyan assemblages. Three general chondrichthyan biofacies are distinguished: shallow water Protacrodus biofacies; intermediate Phoebodus - Thrinacodus biofacies, characteristic of moderately deep, open shelves; and deep water falodus biofacies. The intermediate biofacies is the most widely distributed and usually yields the richest and most diverse assemblages.

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What this paper is about

Chondrichthyan microremains from a section at Soureille d'Izarne (Montagne Noire, southern France), with a new species, Thrinacodus tranqllillus sp. n., are described and compared to several other late Famennian pelagic chondrichthyan assemblages. Three general chondrichthyan biofacies are distinguished: shallow water Protacrodus biofacies; intermediate Phoebodus - Thrinacodus biofacies, characteristic of moderately deep, open shelves; and deep water falodus biofacies. The intermediate biofacies is the most widely distributed and usually yields the richest and most diverse assemblages.

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Available abstract

Chondrichthyan microremains from a section at Soureille d'Izarne (Montagne Noire, southern France), with a new species, Thrinacodus tranqllillus sp. n., are described and compared to several other late Famennian pelagic chondrichthyan assemblages. Three general chondrichthyan biofacies are distinguished: shallow water Protacrodus biofacies; intermediate Phoebodus - Thrinacodus biofacies, characteristic of moderately deep, open shelves; and deep water falodus biofacies. The intermediate biofacies is the most widely distributed and usually yields the richest and most diverse assemblages.

Key concepts: Pelagic zone, Geology, Paleontology, Deep water, Waves and shallow water, Oceanography

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