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	Actinopterygii	Tetraodontiformes	Ostraciidae	Acanthostracion polygonius
Chordata	Actinopterygii	Tetraodontiformes	Ostraciidae	Lactophrys bicaudalis
Chordata	Actinopterygii	Tetraodontiformes	Ostraciidae	Lactophrys triqueter
Chordata	Actinopteri	Tetraodontiformes	Ostraciidae	Ostracion meleagris
Chordata	Actinopterygii	Tetraodontiformes	Ostraciidae	Rhinesomus triqueter