Stelleroidea
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
| Stelleroidea | |
|---|---|
 | |
| Ochre sea star on beach at Olympic National Park | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Superclass: | Stelleroidea |
| Classes | |
|
Asteroidea | |
References
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