In apertural view, twelve costae on body whorl (1) and ten less-distinct costae (2). Costae, absent on sub-sutural bevel (3) and basal half of body whorl (4). Reticulation created by spiral striae crossing costae (5). Parietal lip a thin glaze on body whorl (6).  Labial varix (7).  Palatal lip thin (8) as labial varix set back from lip. H. 2.2 mm (upper specimen) & 2.1 mm (lower). Channel Islands. Leg. coll. J.M. Light.