| Errantians | |
|---|---|
| Polychaete errantian marine worm, 10x polarized light | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Class: | Polychaeta |
| Subclass: | Errantia |
| Orders | |
Amphinomida
Eunicida
Phyllodocida
Basal or incertae sedis
Errantia, occasionally Aciculata, is a subclass of polychaete worms. These worms are found worldwide in marine environments and brackish water.