Trilobita
- Allart P. VAN VIERSEN & Bjorn DE WILDE
- Goldius Angusticalix Sp. Nov. (Trilobita, Scutelluidae) from the Couvin Formation (Middle Devonian) in Belgium, with a preliminary list of Scutelluid Species from the Ardennes
- volume 13 (2010)number 3
- Allart P. VAN VIERSEN & Arnaud BIGNON
- Late Devonian (Frasnian) Asteropygine trilobites from the Frasnes area, southern border of Dinant synclinorium, Belgium
- volume 14 (2011)number 3-4
- Allart P. VAN VIERSEN & Harald PRESCHER
- New species of the lichid trilobite Ceratarges from the Middle Devonian in Morocco
- volume 14 (2011)number 3-4
- Allart P. VAN VIERSEN & Harald PRESCHER
- “Devil horned” Cyphaspis (Trilobita, Otarioninae): examples from the Middle Devonian of the Ardennes (Belgium), Eifel (Germany) and Ma’der (Morocco)
- volume 17 (2014)number 3-4
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