L. parva: Band 1 and band 2 entering the aperture. Band 3. Gap between band 1 and 2 indistinct as brownish white (4).
Umbilicus viewed along the lacuna (5). Columellar groove, chink or lacuna (6). Adapical angle about a right angle (7).
Shell height 3 mm. Body whorl 94% of height (8). Aperture 69% of height. Spire 30% of height (9).
Menai Strait, August 2013.

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