Kingdom Animalia Class Demospongiae Rank Family | Phylum Porifera Order Spongillida | |
Similar Niphatidae, Petrosina, Chalinidae, Haplosclerida, Spongillidae | ||
The Palaeospongillidae family of extinct sponges has three genera and three species:
References
Palaeospongillidae Wikipedia(Text) CC BY-SA