Messageria scalarioides scalarioides (Bavay & Dautzenberg, 1904)

(Figures 1 A–D)

Helicomorpha scalarioides Bavay & Dautzenberg, 1904: 228, pl. 11, figs 9–12.

Type material. Syntypes of Helicomorpha scalarioides Bavay & Dautzenberg, 1904, MNHN-IM-2000- 32414/32415, RBINS MT.1016/2, Ht Tonkin [Haut Tonkin], coll. Messenger.

Museum material. MNHN-IM-2014-7928 (one of the labels wrote “Messenger” with yellow mark), Ht Tonkin [Haut Tonkin], coll. Letellier, 1949.

Measurements. H = 3.20 mm, W = 2.81 mm, D A = 1.50 mm (n = 1).

Vernacular name. Į梯ĦfiḏDzss亚ḋ xuán tī chóng lèi luó zhǐ míng yà zhǒng

Distribution. VIETNAM: Yên Bái to Long Sõn.