# Paractinopoda

> subclass of echinoderms

**Wikidata**: [Q104834001](https://www.wikidata.org/wiki/Q104834001)  
**Source**: https://4ort.xyz/entity/paractinopoda


## References

1. A short biography of Hubert Ludwig and a note on the publication dates of his monograph Die Seewalzen (1889–1892)