A peer-reviewed open-access journal ZooKeys 898: 121–158 (2019) Review of Orthomorpha in Vietnam 121 doi: 10.3897/zookeys.898.39265 REVIEW ARTICLE http://zookeys.pensoft.net Launched to accelerate biodiversity research Review of the millipede genus Orthomorpha Bollman, 1893 (Diplopoda, Polydesmida, Paradoxosomatidae) in Vietnam, with several new records and descriptions of two new species Natdanai Likhitrakarn1, Sergei I. Golovatch2, Irina Semenyuk2,3, Boris D. Efeykin2,4, Somsak Panha5 1 Division of Plant Protection, Faculty of Agricultural Production, Maejo University, Chiang Mai, 50290, Thailand 2 Severtsov Institute for Problems of Ecology and Evolution, Russian Academy of Sciences, Leninsky pr. 33, Moscow, 119071, Russia 3 Joint Russian-Vietnamese Tropical Center, Street 3 tang 2, 3, q10, Ho Chi Minh City, Vietnam 4 Kharkevich Institute for Information Transmission Problems, Russian Academy of Sciences, Bol’shoi Karetnyi per. 19, Moscow, 127051, Russia 5 Animal Systematics Research Unit, Department of Biology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand Corresponding author: Somsak Panha (
[email protected]), Sergei I. Golovatch (
[email protected]) Academic editor: D. V. Spiegel | Received 20 August 2019 | Accepted 12 November 2019 | Published 10 December 2019 http://zoobank.org/9B537DC3-8DB9-459E-9771-7687AFA19244 Citation: Likhitrakarn N, Golovatch SI, Semenyuk I, Efeykin BD, Panha S (2019) Review of the millipede genus Orthomorpha Bollman, 1893 (Diplopoda, Polydesmida, Paradoxosomatidae) in Vietnam, with several new records and descriptions of two new species. ZooKeys 898: 121–158. https://doi.org/10.3897/zookeys.898.39265 Abstract The genus Orthomorpha is shown to currently be represented in Vietnam by ten species or varieties, in- cluding new records of O.