Berthelsen, Ole. “Studies on the Bryozoan Species Coscinopleura Elegans and Coscinopleura Angusta N. Sp. From the Senonian and Danian Deposits of Denmark”. Danmarks Geologiske Undersøgelse IV. Række 3, no. 3 (December 31, 1948): 1–15. Accessed May 14, 2024. https://geusjournals.org/index.php/raekke4/article/view/6996.