Metalycaeus physis (Benson, 1859)
Alycaeus physis Benson, 1859: 179.
Alycaeus physis - Reeve 1878: pl. 6, species 51; Godwin-Austen 1914: 342, pl. 134, figs 1, 1a.
Alycaeus (Chamalycaeus) physis - Kobelt 1902: 361; Gude 1921: 231-232, fig. 34.
Alycaeus (Orthalycaeus) physis - Rees 1964: 64, pl. 5, fig. 27.
Chamalycaeus (Chamalycaeus) physis - Ramakrishna et al. 2010: 55.
Type locality.
"in valle Rungit (alt. 2000 ped.), prope Darjiling".
Material examined.
Sikkim, UMZC I.102735 (1 syntype); Darjeeling, 'Sow M/R 7/3/91, 626', V W. MacAndrew Collection, Acc. no. 1563, NHMUK 20150124 (2 shells); Darjiling, NHMUK 1888.12.4.895-871 (3 shells).
Remarks.
Spire low, but protoconch elevated, spirally striated; R1 rather irregularly ribbed, with weak spiral lines; R2 long, with waved surface; there are light and dark stripes alternating.