Yoshikawa, N., Matsui, M., Tanabe, S. & Okayama, T. (2013)

Description of a New Salamander of the Genus Onychodactylus from Shikoku and Western Honshu, Japan (Amphibia, Caudata, Hynobiidae)

. Zootaxa, 3693 (4), 441–464.