# Proetida

> order of arthropods (fossil)

**Wikidata**: [Q1934211](https://www.wikidata.org/wiki/Q1934211)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Proetida)  
**Source**: https://4ort.xyz/entity/proetida


## References

1. Class Trilobita Walch, 1771
2. Freebase Data Dumps. 2013
3. Fossilworks
4. Interim Register of Marine and Nonmarine Genera
5. Open Tree of Life reference taxonomy version 3.6