Brachiopoderne i den danske Kridtformation. Danmarks Geologiske Undersøgelse II. Række, [S. l.], v. 4, p. 1–59, 1894. DOI: 10.34194/raekke2.v4.6786. Disponível em: https://geusjournals.org/index.php/raekke2/article/view/6786. Acesso em: 2 dec. 2025.