Tapering, translucent whitish, cephalic tentacles are almost smooth. Setae were reported on them by Forbes & Hanley (1853), and shown in line drawing in Fretter & Graham (1962), but are not visible on these macro images.
Shell height 5.7 mm. Menai Strait. February 2011.
Full SPECIES DESCRIPTION at flic.kr/p/gTkfF4
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