the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Porifera (phylum)
Demospongiae (class)
Ceractinomorpha (subclass)
Haplosclerida (order)
Spongillidae (family)
freshwater sponges (common name)
[hide inferior taxa]
Ephydatia fluviatilis (species)
Ephydatia muelleri (species)
Spongilla lacustris (species)