Stachelhäuter Echinodermata
Subordinate classifications
| Name | Scientific name | WoRMS database |
| Seesterne | Asteroidea | 123080 |
| Schlangensterne | Ophiuroidea | 123084 |
Subordinate species
| Species name | Scientific name |
Heart urchin spikes
|
Echinocardium cordatum (spiculae) |