01 Crisilla semistriata

01 Crisilla semistriata

Thin periostracum so shell matt yellowish and two spiral rows of brown marks on body-whorl are visible (1). Lower row breaking into two of smaller marks (2). Lip not yet thickened. Marks visible inside aperture (3).
Height 2.4 mm, West Anglesey, Wales, May 2016.
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