WEST, Ronald R. Treatise Online, no. 20, Part E, Revised, Volume 4, Chapter 2A: Introduction to the fossil hypercalcified chaetetid-type Porifera (Demospongiae). Treatise Online, [S. l.], 2011. DOI: 10.17161/to.v0i0.4137. Disponível em: https://journals.ku.edu/treatiseonline/article/view/4137. Acesso em: 27 mar. 2025.