1: translucent tawny-white epipodial tentacle.
2:right neck-lobe curved to form complete bottle-necked siphon for exhalent water, faeces and reproductive products.
3: eye-peduncle red-brown dorsally and whitish ventrally, apart from bright blue distal area that extends slightly onto dorsum; small black “pupil” in blue area near dorsal edge of truncated tip.
4: distal half of snout has dense beard of long bright blue papillae.
5: cephalic tentacle translucent brownish-white, with encircling black and opaque-white jagged rings.
Image extracted from Gm21

01 Gibbula magus. Large specimen, height (apex to base of shell) 25.5 mm, breadth 31.5 mm. Cardigan Bay, Wales. 2015.

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