08 Rissoa parva

08 Rissoa parva

1: brown lines only on adapical part of the body-whorl. 2: translucent cephalic tentacle with single, medial, opaque-white line. 3: dark brown diagnostic comma (falciform mark). 4:  labial varix, not yet fully thickened. H 2.8 mm. Menai Strait, Wales. September 2011.

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