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Taxonomy and biostratigraphy of some proetid trilobites in the Middle Devonian of the Ardennes and Eifel (Rhenohercynian Zone)
Van Viersen, A.P.; Prescher, H. (2010). Taxonomy and biostratigraphy of some proetid trilobites in the Middle Devonian of the Ardennes and Eifel (Rhenohercynian Zone). Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 80: 5-45
In: Bulletin van het Koninklijk Belgisch Instituut voor Natuurwetenschappen. Aardwetenschappen = Bulletin de l'Institut Royal des Sciences Naturelles de Belgique. Sciences de la Terre. KBIN: Brussel. ISSN 0374-6291, more
Peer reviewed article  

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Keywords
Author keywords
    Trilobita, Proetidae, Devonian, Belgium, Germany, France.

Authors  Top 
  • Van Viersen, A.P.
  • Prescher, H.

Abstract
    Proetids are common trilobites in the Middle Devonian of the Ardennes and Eifel. They are known from ample material and so provide an excellent basis for taxonomic and biostratigraphic studies. Seven new species are recorded from the Ardennes, Belgium (Gerastos arcus n. sp., Gerastos couvinensis n. sp., Gerastos snellingsi n. sp., Astycoryphe exilis n. sp., Astycoryphe jorusi n. sp., Cornuproetus latentissimus n. sp., Dechenella rossumi n. sp.) and four additional ones from the Eifel, Germany (Gerastos kippingi n. sp., Gerastos batrachus n. sp., Gerastos rommersheimensis n. sp., Dohmiella acanthonota n. sp.), on the basis of recent collecting and examination of institutional collections. Astycoryphe sp. B, Cornuproetus cf. latentissimus n. sp. and Cornuproetus sp. 2 (Ardennes) are also described. The holotype of Astycoryphe senckenbergiana RICHTER & RICHTER (Eifel) is refigured. A preliminary overview of the stratigraphie distributions of species in Eifelian to lowermost Givetian strata in the Ardennes and Eifel is presented, so far encompassing the genera Gerastos, Dohmiella (Proetinae), Cornuproetus, Diademaproetus (Cornuproetinae), Astycoryphe, Tropidocoryphe (Tropidocoryphinae) and Dechenella (Dechenellinae).

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