# Ptilocrinus

> genus of echinoderms

**Wikidata**: [Q18606085](https://www.wikidata.org/wiki/Q18606085)  
**Source**: https://4ort.xyz/entity/ptilocrinus-q18606085


## References

1. Two new species of stalked crinoids from the northeastern Pacific in the genera Gephyrocrinus and Ptilocrinus (Echinodermata, Crinoidea, Hyocrinidae). Effects of ontogeny and variability on hyocrinid taxonomy
2. A new species of crinoid (Ptilocrinus pinnatus) from the Pacific coast, with a note on Bathycrinus
3. Taxonomy database of the U.S. National Center for Biotechnology Information
4. World Register of Marine Species
5. UMLS 2023
6. Barcode of Life Data Systems
7. Open Tree of Life reference taxonomy version 3.6