Echinocystitoida
| Echinocystitoida | |
|---|---|
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Subclass: | Perischoechinoidea |
| Order: | †Echinocystitoida |
Echinocystitoida were an order of extinct sea urchin in the subclass Perischoechinoidea.
References[]
 | This prehistoric echinoidea-related article is a stub. You can help Wikipedia by . |
Categories:
- Echinocystitoida
- Echinoidea stubs
- Prehistoric echinoderm stubs