Ngo, Q.P. & Nguyen, M.T. (2021)

The genus Ophiogomphus Lieftinck, 1964 in Vietnam, with descriptions of the female of O. minimus Karube, 2014 and O. phantoani sp. nov. (Odonata: Gomphidae)

. Zootaxa, 5061 (1), 134–144.
https://doi.org/10.11646/zootaxa.5061.1.6