Figure 2. Phylogenetic trees using BI: (A) all species using this study; (B) only true Hynobius utsunomiyaorum

From

Taxonomic Validity of Hynobius Hidamontanus (Caudata: Hynobiidae): Descriptions of Four New Species from Western Honshu, Japan

Hirotaka Sugawara, Takayuki Iwata, Jun-ichi Naito, Masaru Yamada, Kazuto Onomura, Masahiro Nagano

American Journal of Zoological Research. 2023, 8(1), 6-26 doi:10.12691/ajzr-8-1-2