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	Scleractinia	Poritidae	Porites
Cnidaria	Anthozoa	Scleractinia	Poritidae	Porites divaricata
Cnidaria	Anthozoa	Scleractinia	Poritidae	Porites evermanni
Cnidaria	Anthozoa	Scleractinia	Poritidae	Porites lobata
Cnidaria	Anthozoa	Scleractinia	Poritidae	Porites porites