Bibliography

Hara, S., and K. Nishikawa. 2020. Intraspecific variation in the external and skeletal morphology of Hynobius setouchi Matsui, Okawa, Tanabe et Misawa, 2019 (Amphibia: Urodela: Hynobiidae). Zoological Science. Tokyo 37: 1–12 (https://doi.org/10.2108/zs190155).