# Ptilocrinus pinnatus
**Wikidata**: [Q28584371](https://www.wikidata.org/wiki/Q28584371)  
**Source**: https://4ort.xyz/entity/ptilocrinus-pinnatus


## 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. Ocean Biodiversity Information System
4. Open Tree of Life reference taxonomy version 3.6
5. E-Fauna BC