# The Morphology and Systematic Position of Some Little Known Tetraphyllideans

> 1947 thesis (M.A.) submitted to Stanford University by Nathan Riser

**Wikidata**: [Q113392959](https://www.wikidata.org/wiki/Q113392959)  
**Source**: https://4ort.xyz/entity/the-morphology-and-systematic-position-of-some-little-known-tetraphyllideans


## References

1. [Source](https://searchworks.stanford.edu/view/2162104)