# John Adam Ryder

> American ichthyologist and embryologist

**Wikidata**: [Q18911310](https://www.wikidata.org/wiki/Q18911310)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_A._Ryder)  
**Source**: https://4ort.xyz/entity/john-adam-ryder


## References

1. Biodiversity Heritage Library
2. Virtual International Authority File