Echiuroidea is an order of annelids in the class Polychaeta.
Echiuroidea is an order of annelids in the class Polychaeta.
==Families== Suborder Bonelliida Bonelliidae Lacaze-Duthiers, 1858 Ikedidae Bock, 1942 Suborder Echiurida Echiuridae de Quatrefages, 1847 Thalassematidae Forbes & Goodsir, 1841 Urechidae Monro, 1927
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).