| Cothurnocystidae | |
|---|---|
| Cothurnocystis elizae | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Subphylum: | Homalozoa |
| Class: | Stylophora |
| Order: | Cornuta |
| Family: |
Cothurnocystidae Bather 1913 |
| Subfamilies | |
Cothurnocystidae is an extinct family of echinoderms in the order Cornuta.