Evolutionary biology of Hynobius

Chapter 4: Zoogeography
Edited by Masafumi Matsui

indicates the article with listed voucher specimen(s).

Systematic Relationships of Hynobius okiensis among Japanese Salamanders (Amphibia: Caudata)

Masafumi Matsui, Kanto Nishikawa, Yasuchika Misawa, Shingo Tanabe
https://www.doi.org/10.2108/zsj.24.746; Zoological Science 24(7):746-751. July 2007



Phylogeography of Hynobius yatsui (Amphibia: Caudata) in Kyushu, Japan

Mariko Sakamoto, Atsushi Tominaga, Masafumi Matsui, Kazuhiro Sakata, Akinori Uchino
https://www.doi.org/10.2108/zsj.26.35; Zoological Science 26(1):35-47. January 2009