# Ptyctodontida

> order of fishes (fossil)

**Wikidata**: [Q918188](https://www.wikidata.org/wiki/Q918188)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ptyctodontida)  
**Source**: https://4ort.xyz/entity/ptyctodontida


## References

1. Freebase Data Dumps. 2013
2. Encyclopedia of Life
3. Fossilworks
4. Interim Register of Marine and Nonmarine Genera