Stekkervelbêestn (Echinodermata) vormn e stamme van zêebêestn. Der bestoan e stik of 7000 leevnde sôortn.
| Stekkervelbêestn | ||||
|---|---|---|---|---|
 Slangsterre Ophionereis reticulata | ||||
| Taxonomische indêlienge | ||||
| ||||
| Stamme | ||||
| Echinodermata Klein, 1734 | ||||
Z' hen e skelet dat ounder under vel zit en da bestoat uut losse kalkploatn die in sommigte gevalln an mekoar vergroeid zyn. Stekkers en knobbels steekn dikwyls vanof de kalkploatn deur under vel noa buutn.
De Echinodermata wordn ounderverdêeld in vuuf nog leevnde klassn:
- Zêesterrn (Asteroidea)
- Zêelelies (Crinoidea)
- Zêe-egels (Echinoidea)
- Zêekomkommers (Holothuroidea)
- Slangsterrn (Ophiuroidea)
De Blastoidea en de Cystoidea zyn uutgestorvn en allêne moa bekend ols fossieln.
Choriaster granulatus, e zêesterre 
Ptilometra australis, e zêelelie 
Strongylocentrotus franciscanus, e zêe-egel 
Actinopyga echinites, e zêekomkommer 
Ophioderma rubicundum, slangsterrn
 |
Ofbeeldiengn die ier by passn ku je vien in de categorie Echinodermata van Wikimedia Commons. |
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