# Opisthopora

> order of annelids

**Wikidata**: [Q18674940](https://www.wikidata.org/wiki/Q18674940)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Opisthopora)  
**Source**: https://4ort.xyz/entity/opisthopora


## References

1. Integrated Taxonomic Information System
2. Global Biodiversity Information Facility
3. Fauna Europaea
4. New Zealand Organisms Register
5. Nederlands Soortenregister
6. Open Tree of Life reference taxonomy version 3.6