Keywords
taxonomy; new species; Son Doong; Vietnam; Laos;
Pages
pp. 39 -
45

This paper described the second species of the genus Calybium Morlet, 1892, Calybium plicatus sp. nov. was collected in Son Doong Cave, Phong Nha–Ke Bang National Park, Quang Binh Province, Central Vietnam. Calybium plicatus sp. nov. has a similar shell shape to Calybium massiei Morlet, 1892 but differs in having a smaller shell size, the parietal wall with six evenly spaced parietal lamellae. This discovery represents the first report of the genus Calybium in Vietnam.

DOI
https://doi.org/10.35885/ruthenica.2025.35(1).4
Описание второго вида Calybium Morlet, 1892, и первая находка рода в составе наземной фауны брюхоногих моллюсков Вьетнама (Neritimorpha: Helicinoidea: Helicinidae)
Хоанг Н.К.; Ву В.Л.; Чан Т.Т.Б.; Нгуен Т.Ш.; До Д.С.;