Dicharax nattoungensis (Godwin-Austen, 1914)

Fig. 70A–E

Alycaeus nattoungensis Godwin-Austen, 1914: 410–411, pl. 155 figs 15, 15a.

Alycaeus nattoungensis – Gude 1921: 212–213.

Dicharax (?) nattoungensis – Páll-Gergely et al. 2020: 98, fig. 24.

Type material examined

MYANMAR • holotype (single shell mentioned in the original description: Fig. 70A–E); Nattoung Hills, Mendon District, Pegu, Burma; Theobald coll.; NZSI M.8036 .

Type locality

“Nattoung Hills”.

Differential diagnosis

Dicharax dalingensis, D. lenticulus and D. politus have a more inflated R3 swelling preceded by a deeper constriction between R2 and R3. Dicharax nongtungensis has a more oval outline in dorsal view and a more expanded outer peristome (thicker peristome). Dicharax pusillus is similar in general shell shape, but is much smaller and has a more strongly expanded peristome.