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
Chordata	Actinopteri	Aulopiformes	Synodontidae
Chordata	Actinopterygii	Aulopiformes	Synodontidae