Herbig, Hans-Georg. «Remarks on the Late Visean Crinoids from the Cantabrian Mountains and Menorca (NW Spain and Balearic Island)». Spanish Journal of Palaeontology 9, no. 1 (agosto 10, 2022): 24–28. Accedido noviembre 10, 2024. https://pasquin.uv.es/index.php/sjpalaeontology/article/view/24308.