mangdechhuensis, Exostoma Thoni [R. J.] & Gurung [D. B.] 2018:56, Figs. 12-13 [Zootaxa 4476 (no. 1); ref. 36128] Nabbey Khola stream at Tingtibi, Zhemgang Dzongkhag, Bhutan, 27.117618°N, 90.673532°E, elevation 803 meters. Holotype: NBC 15222. Paratypes: CNR. Plus additional non-type material. Combined with a neuter genus the adjective should be mangdechhuense. •Valid as Exostoma mangdechhuense Thoni & Gurung 2018 -- (Darshan et al. 2019:372 [ref. 36641] as mangdechhuensis, Luo & Chen 2020:108 [ref. 37596] as mangdechhuensis, Arunkumar 2020:295 [ref. 37782], Singh et al. 2022:169 [ref. 39818]). Current status: Valid as Exostoma mangdechhuense Thoni & Gurung 2018. Sisoridae: Glyptosterninae. Distribution: South Asia: Mangdechhu River drainage, Brahmaputra River basin, Bhutan. Habitat: freshwater.