N. Keutgen. Belemnella (Belemnella) cf. praearkhangelskii Naidin, 1964 from the Vijlen Member at Altembroeck (NE Belgium, Early Maastrichtian) . njg [Internet]. 1996Jan.1 [cited 2026Apr.3];75:341-7. Available from: https://njgjournal.nl/index.php/njg/article/view/12384