the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Cnidaria (phylum)
Anthozoa (class)
Scleractinia (order)
Merulinidae (family)
[hide inferior taxa]
Hydnophora exesa (species)
Hydnophora grandis (species)
Merulina ampliata (species)
Merulina scabricula (species)