You can search the complete taxonomic tree of the species in the database. Click "Phylum" to get back to to the starting point. The thumbnails show examples of the Class, Order etc.

Phylum	Class	Order	Family	Species
Cnidaria	Anthozoa	Actiniaria	Actiniidae
Cnidaria	Anthozoa	Actiniaria	Aiptasiidae
Cnidaria	Anthozoa	Actiniaria	Aliciidae
Cnidaria	Anthozoa	Actiniaria	Andresiidae
Cnidaria	Anthozoa	Actiniaria	Metridiidae
Cnidaria	Anthozoa	Actiniaria	Phymanthidae
Cnidaria	Anthozoa	Actiniaria	Sagartiidae