KEUPP, Helmut; HOFFMANN, René; FUCHS, Dirk. Treatise Online no. 135: Part M, Chapter 20: Pathology of fossil and extant coleoid shells. Treatise Online, [S. l.], 2020. DOI: 10.17161/to.vi.13863. Disponível em: https://journals.ku.edu/treatiseonline/article/view/13863.. Acesso em: 2 may. 2024.