Dec. 5, 2019 A new chapter has just been added to the Digital Encyclopedia of Ancient Life and is all about the fossil record phylum Porifera: the sponges. Check it out at: https://www.digitalatlasofancientlife.org/learn/porifera/
Virtual Collection: Phylum Porifera
June 5, 2019: We have just added an all new Virtual Collection of interactive 3D models of representative modern and fossil sponges (phylum Cnidaria). It may be accessed at: https://www.digitalatlasofancientlife.org/vc/porifera/