Physonectae
| Physonectae | |
|---|---|
| illustration of Physophora hydrostatica | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Cnidaria | 
| Class: | Hydrozoa | 
| Order: | Siphonophorae | 
| Suborder: | Physonectae Haeckel, 1888 | 
| Families | |
| 
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Physonectae is a suborder of siphonophores.
Organisms in the suborder Physonectae follow the classic Siphonophore body plan. They are almost all pelagic, and are composed of a colony of specialized zooids that originate from the same fertilized egg.