West RR. Treatise Online, no. 35: Part E, Revised, Volume 4, Chapter 2D: Evolution of the hypercalcified chaetetid-type Porifera (Demospongiae). TREON [Internet]. 2012 Feb. 1 [cited 2024 May 2];. Available from: https://journals.ku.edu/treatiseonline/article/view/4257