The article presents data on nemerteans from Vietnam recorded over the past 10 years since the publication of Nemerteans of the Coastal Waters of Vietnam, as well as new findings and descriptions of two new species, Notospermus gena sp. nov. (Pilidiophora, Lineidae) and Tetrastemma potapovi sp. nov. (Hoplonemertea, Tetrastemmatidae). To date, a total of about 100 nemertean species are known from the coastal waters of Vietnam. Distributions of some of them are discussed.
A. V. Chernyshev (Mon,) studied this question.