# Echiuroidea

> order of marine annelids

**Wikidata**: [Q2745541](https://www.wikidata.org/wiki/Q2745541)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Echiuroidea)  
**Source**: https://4ort.xyz/entity/echiuroidea


## References

1. Integrated Taxonomic Information System. 2006
2. Taxonomy database of the U.S. National Center for Biotechnology Information
3. World Register of Marine Species
4. New Zealand Organisms Register
5. UMLS 2023
6. Nederlands Soortenregister
7. Barcode of Life Data Systems
8. Open Tree of Life reference taxonomy version 3.6