34 Pusillina inconspicua COMPARE Rissoa parva

34 Pusillina inconspicua COMPARE Rissoa parva

Medial, narrow, blackish mark on head. Juvenile; labial varix and falciform mark not yet developed. Tentacles have single white line which is continuous (1) or broken (2). H. 2.6 mm. Menai Strait, Wales, September 2011.