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Paul Norwood   cc-by-nc-4.0

Echiuroidea is an order of segmented worms. There are 183 species of Echiuroidea, in 40 genera and 5 families.

EOL has data for one attribute:

Known occurrences, collected specimens and observations of Echiuroidea. View this species on GBIF

Echiuroidea includes 2 children: