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	Perciformes	Apogonidae	Apogon binotatus
Chordata	Actinopterygii	Perciformes	Apogonidae	Apogon imberbis
Chordata	Actinopterygii	Perciformes	Apogonidae	Apogon lachneri
Chordata	Actinopterygii	Perciformes	Apogonidae	Apogon maculatus
Chordata	Actinopterygii	Perciformes	Apogonidae	Apogon townsendi
Chordata	Actinopterygii	Perciformes	Apogonidae	Ostorhinchus fleurieu
Chordata	Actinopterygii	Perciformes	Apogonidae	Phaeoptyx pigmentaria