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	Alcyonacea	Alcyoniidae
Cnidaria	Anthozoa	Alcyonacea	Briareidae
Cnidaria	Anthozoa	Alcyonacea	Gorgoniidae
Cnidaria	Anthozoa	Alcyonacea	Melithaeidae
Cnidaria	Anthozoa	Alcyonacea	Nephtheidae
Cnidaria	Anthozoa	Alcyonacea	Plexauridae
Cnidaria	Anthozoa	Alcyonacea	Xeniidae