After Karsen found the salamander and was unable to identify it, he approached amphibian specialists M. S. Min of Seoul National University and S. Y. Yang of Inha University in Incheon, as well as his former college professor, Richard A. Brandon of Southern Illinois University. Brandon recognized the salamander as a plethodontid and drew it to the attention of Wake. Wake and post-doctoral fellows David R. Vieites and Ronald M. Bonett of UC Berkeley's Museum of Vertebrate Zoology and Department of Integrative Biology performed anatomical comparisons and a molecular phylogenetic analysis to determine the relationship between the new salamander and other plethodontids.
All these researches are coauthors of the current Nature paper, though Karsen elected not to join them in order to accept their offer to name it after him.
To date, Wake and his American colleagues have seen only one live specimen and a few preserved specimens, though Vieites is scheduled to travel to Korea in May to scout the area, which is heavily populated and in the past has been nearly deforested.
"The Korean people, already well sensitized to the importance of their natural heritage and the symbolic value of their previously known and beloved clawed salamander, will be and should be extremely proud of such a new unique animal," Kaplan noted. "The boost to environmental awareness and education in the region will be invaluable to such a rapidly developing and highly educated country."