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)
Gasterosteiformes (order)
Syngnathidae (family)
Syngnathus (genus)
[hide inferior taxa]
Syngnathus acus (species)
Syngnathus rostellatus (species)
Syngnathus scovelli (species)
Syngnathus typhle (species)