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Late Viséan pelagic chondrichthyans from northern Europe

Ginter, Michał; Duffin, Christopher J.; Dean, Mark T.; Korn, Dieter. 2015 Late Viséan pelagic chondrichthyans from northern Europe. Acta Palaeontologica Polonica, 60 (4). 899-922. 10.4202/app.00084.2014

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Abstract/Summary

The relatively rich assemblages of shark teeth from pelagic limestone (Mississippian, late Viséan, late Asbian–middle Brigantian) of three northern European regions: the Rhenish Mountains (Westenfeld Quarry, Germany), the Holy Cross Mountains (Todowa Grz ą ba at the edge of Ostrówka Quarry, Poland), and Derbyshire (Cawdor Quarry, Matlock, England, UK) display certain similarities, with the absolute predominance of the teeth of Falcatidae (small Symmoriiformes) and the constant presence of Thrinacodus spp. The largest and most diverse assemblage from Todowa Grz ą ba contains at least three species of a falcatid Denaea , a xenacanthimorph Bransonella nebraskensis , a newly described phoebodontid Thrinacodus dziki sp. nov., a few ctenacanthiform and euselachian teeth, and two abraded euchondrocephalan dental elements. Anachronistidae, common in the most of late Viséan pelagic faunas, are absent from Todowa Grz ą ba and Westenfeld. The material under study differs from the shallow-water chondrichthyan fauna, hitherto described from the Mississippian carbonate platform facies, by its taxonomic content (particularly almost total absence of Euchondro- cephali), generally lower diversity, and higher frequency of small teeth

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.4202/app.00084.2014
ISSN: 05677920
Date made live: 21 Mar 2016 15:45 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/513295

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