HOWARTH, Michael. Treatise Online no. 128: Part L, Revised, Volume 3B, Chapter 2: Systematic Descriptions of the Jurassic and Cretaceous Phylloceratoidea, Boreophylloceratoidea, and Aequiloboidea. Treatise Online, [S. l.], 2020. DOI: 10.17161/to.vi.13358. Disponível em: https://journals.ku.edu/treatiseonline/article/view/13358.. Acesso em: 18 may. 2024.