Spiraculum massiei Morlet, 1892
Spiraculum massiei Morlet, 1892b: 85. Type locality: Mont Pou-Khiou, dans le Laos [Pou Khiou Mountain, Khamkeut District, Bolikhamxay Province, Laos]. Morlet 1893 [1892]: 323, 324, pl. 8, figs 4, 4 a–c .
Pearsonia (Pearsonia) massiei: Kobelt 1902a: 174.
Material examined.
Syntype MNHN-IM-2000-20837 from "Mont Pou-Khiou, dans le Laos" (1 shell; Fig. 13A). Specimens from Tam Mungkorn Cave, Khamkeut District, Bolikhamxay Province (Fig. 13B).
Distribution.
Laos (Kobelt 1902a).