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)
Tetraodontiformes (order)
Tetraodontidae (family)
Tetraodon (genus)
[hide inferior taxa]
Tetraodon fluviatilis (species)
Tetraodon nigroviridis (species)