Dioryx urnula (Benson, 1853)
Alycaeus Urnula Benson, 1853: 284-285.
Alycaeus urnula - Reeve 1878: pl. 2, species 13.
Dioryx urnula - Kobelt and Möllendorff 1897: 147; Kobelt 1902: 340; Gude 1921: 201-202; Ramakrishna et al. 2010: 74; Tripathy et al. 2018: 789.
Alycaeus (Dioryx) urnula - Godwin-Austen 1914: 345-346, pl. 153, figs 1, 1a.
Alycaeus (Dioryx) urnula , Large variety - Godwin-Austen 1914: 346, pl. 153, fig. 2.
Type locality.
"ad Darjiling Himalayanum".
Material examined.
Darjiling UMZC I.103780 (2 syntypes, photographs examined); Sikkim, coll. C. Bosch ex coll. Rolle, SMF 192286 (4 shells); Damsang, Daling District, NHMUK 1903.7.1.2589 (1 shell; "Large variety ").
Remarks.
Protoconch very finely granulated, R1 with hardly visible, oblique ribs, R2 normal length, smooth with alternating darker/wider and lighter/narrower stripes.