There is no known biologist named Quirino O. Navarro. It's possible that the name is slightly misspelled, or that there is a different field of expertise associated with the name.

To help me find the right person, could you please provide any additional information you have, such as:

* Full name: Is the full name Quirino O. Navarro, or is there a middle name or different spelling?

* Country of origin: Where is this person from?

* Area of expertise: Is it known what field of biology they specialize in?

* Any other details: Are there any publications, awards, or other information associated with the name?

With more information, I can try to help you find the correct person and their contributions to biology.