Central Taxonomic Thesaurus
Organism
Animalia
[Metazoa]
Porifera
Demospongiae
[Ceractinomorpha]
[Cornacuspongia]
[Monaxonida]
[Sclerospongiae]
[Tetractinomorpha]
Heteroscleromorpha
[Democlavia]
[Desmacidonitida]
[Haploscleromorpha]
[Spirastrellida]
Poecilosclerida
Myxillina