# Hydroidolina

> subclass of cnidarians

**Wikidata**: [Q1942461](https://www.wikidata.org/wiki/Q1942461)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hydroidolina)  
**Source**: https://4ort.xyz/entity/hydroidolina


## References

1. Integrated Taxonomic Information System. 2005
2. World Register of Marine Species
3. Freebase Data Dumps. 2013
4. Taxonomy database of the U.S. National Center for Biotechnology Information
5. Dyntaxa
6. New Zealand Organisms Register
7. UMLS 2023
8. Open Tree of Life reference taxonomy version 3.2