# Contributions To A Classification Of The Fishes Of The Suborder Opisthoproctoidei

> 1957 thesis (Ph.D.) submitted to Stanford University by Daniel Cohen

**Wikidata**: [Q113392975](https://www.wikidata.org/wiki/Q113392975)  
**Source**: https://4ort.xyz/entity/contributions-to-a-classification-of-the-fishes-of-the-suborder-opisthoproctoidei


## References

1. [Source](https://searchworks.stanford.edu/view/2031309)