| Stelleroidea | |
|---|---|
|  | |
| Ochre sea star on beach at Olympic National Park | |
| Scientific classification  | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Echinodermata | 
| Superclass: | Stelleroidea | 
| Classes | |
Stelleroidea is a superclass of marine echinoderms including three classes:
- Asteroidea: true sea stars
- Ophiuroidea: brittle stars and basket stars
- Somasteroidea (sometimes also Stomasteroidea): ancestral stelleroids
References
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