DONOVAN, D. T. Treatise Online no. 47: Part M, Chapter 18: Ammonites and Octopuses. Treatise Online, [S. l.], 2012. DOI: 10.17161/to.v0i0.4298. Disponível em: https://journals.ku.edu/treatiseonline/article/view/4298.. Acesso em: 5 may. 2024.