Echiuroidea

Echiuroidea is an order of annelids in the class Polychaeta.

Families

• Suborder Bonelliida
• Bonelliidae <small>Lacaze-Duthiers, 1858</small>
• Ikedidae <small>Bock, 1942</small>
• Suborder Echiurida
• Echiuridae <small>de Quatrefages, 1847</small>
• Thalassematidae <small>Forbes & Goodsir, 1841</small>
• Urechidae <small>Monro, 1927</small>

References