Phascolosomatidea
| Phascolosomatidea | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Sipuncula |
| Class: | Phascolosomatidea |
| Order: | Phascolosomatiformes |
| Family: | Phascolosomatidae |
| Orders | |
|
See text. |
|
See text.
Phascolosomatidea is a class of peanut worms containing two orders:
Their hooks are arranged in regular rings.
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Wikipedia