Dicharax nongtungensis (Godwin-Austen, 1914)

Fig. 70F–J

Alycaeus nongtungensis Godwin-Austen, 1914: 378, pl. 138 figs 5, 5a.

Alycaeus (Dicharax) nongtungensis – Gude 1921: 261.

Chamalycaeus (Dicharax) nongtungensis – Ramakrishna et al. 2010: 64.

Dicharax (?) nongtungensis – Páll-Gergely et al. 2020: 98. — Gittenberger et al. 2024: 210, figs 33, 35. (identification questionable).

Type material examined

INDIA • 21 syntypes (Fig. 70F–J); Nongtung; Godwin-Austen coll.; NHMUK 1903.7.1.2692 .

Additional material examined

INDIA • 2 shells; Nontung; Dr Leo P. Rušnov coll., ex coll. Dr. W. Blume, ex coll. W.F. Webb; NHMW 15144 • 4 shells; Nongtung, Burmah; NHMW 14890 .

Type locality

“Nongtung, Jaintia Hills”.

Differential diagnosis

Dicharax politus is more depressed, has a deeper constriction and a more inflated R3 swelling. Dicharax pusillus is smaller, has a shorter R2 and a less expanded outer peristome. See also under D. dalingensis, D. lenticulus and D. nattoungensis .

Remarks

The specimen form Bhutan is indeed similar to the syntypes of D. nongtungensis, but has a less inflated R3 swelling.