Metalycaeus distinctus (Godwin-Austen, 1893)
Alycaeus ingrami var. - Godwin-Austen 1871: 91-92, pl. 4, fig. 3.
Alycaeus distinctus Godwin-Austen, 1893: 592.
Alycaeus distinctus - Godwin-Austen 1914: 363; Godwin-Austen 1914: 390, pl. 145, figs 3, 3a, b.
Alycaeus distinctus var. - Godwin-Austen 1914: 363, pl. 137, figs 2, 2a, 2b.
Alycaeus distinctus var. - Godwin-Austen 1914: 391, pl. 149, fig. 4. (2 varieties)
Alycaeus (Chamalycaeus) distinctus - Gude 1921: 226-227.
Chamalycaeus (Chamalycaeus) distinctus - Ramakrishna et al. 2010: 53.
Type locality.
"Neighbourhood of Asálú , N. Cachar Hills".
Material examined.
Naga Hills, NHMUK 1903.7.1.2619 (10 syntypes); Sadia, Assam, NHMUK 1903.7.1.2620 (2 shells of " Alycaeus distinctus var."); Jatinga Valley, N. Cachar, coll. Godwin-Austen, NHMUK 1903.7.1.2576 (19 + 6 shells) (" Alycaeus distinctus var.").
Remarks.
Protoconch elevated, spirally striated; R1 finely, irregularly ribbed with equally strong spiral striae; R2 short, with sharp, straight, widely spaced ribs.