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, meer
The author establishes Pseudosieberella n. gen. Its type species, P. corrugata, n. sp., from the upper part of the Couvinian of Couvin is described as well as two others species assigned to it, P. cf. corrugata, from the upper part of the Couvinian of Hampteau, at the north-east of Marche-en-Famenne in the Ourthe's valley, and Gypidula montana SPRIESTERSBACH, J., 1942 from the « Ohler Schiefer » (late Couvinian) of Koppelweide in the Bergisches Land (Germany). Comparison is made with the genera Sieberella OEHLERT, D. P., 1887 and Ivdelinia ANDRONOV S. M.,1961.
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