the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Actinopterygii (class)
Neopterygii (no rank)
Teleostei (no rank)
Euteleostei (no rank)
Perciformes (order)
Percoidei (suborder)
Cichlidae (family)
Pseudocrenilabrinae (subfamily)
Haplochromini (tribe)
Rhamphochromis (genus)
[hide inferior taxa]
Rhamphochromis esox (species)
Rhamphochromis longiceps (species)