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Devonian Proetidae (Trilobita) from the Ardennes Massif (Belgium, N France) and the Eifel Hills (W Germany)
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A revision of Devonian trilobites from Belgium - Part 1 The Genera Cornuproetus and Radiaspis
Taxonomy and biostratigraphy of some proetid trilobites in the Middle Devonian of the Ardennes and Eifel (Rhenohercynian Zone)
Goldius angusticalix Sp. Nov. (Trilobita, Scutelluidae) from the Couvin Formation (Middle Devonian) in Belgium, with a preliminary list of Scutelluid Species from the Ardennes