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New fossil fish microremains from the Upper Carboniferous of eastern North Greenland

Abstract : The Moscovian of eastern North Greenland has yielded an assemblage dominated by teeth and dermal denticles of chondrichthyans with rarer teeth of actinopterygians. The rather poor preservation of the material precludes precise identification but the following taxa have been recorded: Adamantina foliacea, Bransonella spp., Denaea sp., \textquotedblleftStemmatias\textquotedblright simplex, Lagarodus specularis, Actinopterygii indet., as well as teeth probably belonging to new genera of Heslerodidae, ?Protacrodontidae and Hybodontiformes. This fauna appears therefore quite endemic. The abundance of Bransonella and durophagous chondrichthyans is in accordance with the shallow marine depositional environment. The record of a ?protacrodontid is possibly the youngest one for this taxon.
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Submitted on : Tuesday, October 22, 2019 - 5:09:10 PM
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Gilles Cuny, Lars Stemmerik. New fossil fish microremains from the Upper Carboniferous of eastern North Greenland. Bulletin of the Geological Society of Denmark, 2018, 66, pp.47--60. ⟨hal-02327169⟩

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