Echiura
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The Echiura, or spoon worms, are a small group of marine animals. Once treated as a separate phylum, they are now considered to belong to Annelida. Annelids typically have their bodies divided into se
Urechiscaupo
Echiurus
Ochetostoma erythrogrammon
Characteristic forked proboscis of an echiurian worm in the Maldives