Purple apical spot missing (1). Brown layer present when found alive (2). No white labial varix (3). Semicircular yellowish mark around eye (4). Two parallel rows of  white, hyphen-like marks in lateral view with one row concealing other (5). Opercular lobe darkly pigmented at anterior only (6). Constriction in foot shows as crease (7). Posterior of opercular lobe pale and indistinct (8). Tip of inconspicuous pallial tentacle (9). Long metapodial tentacle (10). Spring adult, H. 2.1 mm. Llŷn Peninsula. March 2015.