Demospongiae Clades: Porifera; Parazoa; Animals. Introduction Demospongiae is a Class in Porifera. rom Related postsLedum palustreMarch 10, 2019Phylica pubescensMarch 10, 2019Xylocarpus granatumMarch 10, 2019 Previous postMarattiaceaeNext postLepidosauria