07 Tritia incrassata

07 Tritia incrassata

Black mark inside siphonal canal (1) and spread beyond it. Thick labial varix (2) protrudes more than ribs.
H. 13.1 mm, Llŷn, North Wales, March 2016.
: flic.kr/p/2oiGpnC
Sets of OTHER SPECIES:
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