Map of Indochina showing the known localities of Parafimbrios lao (red dots) and P. vietnamensis (green dots) (after Teynié et al. 2015; Nguyen et al. 2015; Teynié and Hauser. 2017; Ziegler et al. 2018; Bo et al. 2020) 1 Pua district, Nan Province, Thailand 2 Ngoi District, Luangphrabang Province, Laos (type locality of P. lao) 3 Vieng Xai District, Houaphan Province, Laos 4 Thuan Chau District, Son La Province, Vietnam 5 Jiangcheng County, Yunnan Province, Southwestern China; P. vietnamensis 6 Hoang Ho Village, Phang So Lin Commune, Sin Ho District, Lai Chau Province, Vietnam, 22.4167°N, 103.3681°E (type locality of P. vietnamensis) 7 ZISP 31426, Che Tao Village, The Mu Cang Chai Species and Habitat Conservation Area (SHCA), Yen Bai Province, Vietnam, 21.5435°N, 104.0364°E (new record of P. vietnamensis).

 
 
  Part of: Orlov NL, Ermakov OA, Nguyen TT, Ananjeva NB (2021) A new record of odd-scaled snake (Serpentes, Xenodermidae) from Vietnam: expanded description of Parafimbrios vietnamensis based on integrative taxonomy. ZooKeys 1048: 79-89. https://doi.org/10.3897/zookeys.1048.66477