Holotype of Ansonia karen sp. nov. (ZMMU A-7605) in life from Suan Phueng District, Ratchaburi Province, western Thailand. A. Dorsal view. B. Ventral view. C. Right lateral view of head. D. Dorsal view of head. E. Ventral view of left hand. F. Ventral view of left foot. Photos by N. A. Poyarkov.

  Part of: Suwannapoom C, Grismer LL, Pawangkhanant P, Naiduangchan M, Yushchenko PV, Arkhipov DV, Wilkinson JA, Poyarkov NA (2021) Hidden tribe: A new species of Stream Toad of the genus Ansonia Stoliczka, 1870 (Anura: Bufonidae) from the poorly explored mountainous borderlands of western Thailand. Vertebrate Zoology 71: 763-779. https://doi.org/10.3897/vz.71.e73529