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10. Viersen, A.P. van & H., Prescher. in press. Note on Cyphaspis Burmeister 1843 (Trilobita, Aulacopleuridae), with a review of several species mainly from the Devonian of Belgium and Germany. Senckenbergiana lethaea.
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8. Cronier, C. & A.P., van Viersen. in press. The "Mur des douaniers", an
exceptionally well-preserved early Eifelian fossil site. Bulletin de la Société Géologique de France.
7. Viersen, A.P. van. 2007. Kettneraspis, Radiaspis and Ceratarges (Trilobita) from the Middle Devonian of the Rochefort area. Scripta Geologica, 134.
6. Viersen, A.P. van, 2006c. De Belgische Devoonstratigrafie herzien. Gea, 39 (4): 131-134.
5. Viersen, A.P. van. 2006b. Dohmiella Lütke 1990 (Trilobita) a valid proetid genus, with two new species from Belgium and Germany. Senckenbergiana lethaea, 86 (2/2): 229-241.
4. Viersen, A.P. van. 2006a. New Middle Devonian trilobites from Vireux-Molhain (Ardennes, northern France). Senckenbergiana lethaea, 86 (1/2): 63-75.
3. Viersen, A.P. van. 2005b. Devonian trilobites from the Ardennes and Linksrheinische Schiefergebirge - a joint Rhenohercynian perspective. In: M. Dusar and R. Dreesen (Eds), Meuse-Rhine Euregio Geologists Meeting. Abstracts and program, Alden Biesen, Belgium, 50 pp.
2. Viersen, A.P. van. 2005a. Devoontrilobieten uit het Limburgse riviergrind.
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1. Magrean, B. & Viersen, A.P. van. 2005. A revision of Devonian trilobites from Belgium - Part 1. The genera Cornuproetus and Radiaspis. Bulletin de l'Institut royal des Sciences naturelles de Belgique, 75: 87-93.
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