- Kingdom Animalia
- Phylum Chordata
- Subphylum Vertebrata
- Infraphylum Gnathostomata
- Parvphylum Osteichthyes
- Gigaclass Actinopterygii
- Class Actinopteri
- Subclass Teleostei
- Order Syngnathiformes (pipefishes and related fishes)
- Family Syngnathidae
Child taxons:
| Genus Acentronura |  |
| Genus Bulbonaricus |  |
| Genus Corythoichthys |     |
| Genus Cosmocampus |  |
| Genus Dunckerocampus |    |
| Genus Festucalex |  |
| Genus Halicampus |  |
| Genus Hippichthys |  |
| Genus Micrognathus |    |
| Genus Phoxocampus |  |
| Genus Siokunichthys |  |
| Genus Syngnathus |  |
| Genus Trachyrhamphus |  |