Lengths:
1) 14.1mm, 2) 11.6mm, 3) 14.2mm, 4) 13.2mm, 5) 13.9mm, 6) 12.1mm.
Anteriors to right of image.
Low conoid; heights 25% (1) to 36% (6) of shell lengths.
Anterior profile almost flat with small shallow concavity that diminishes (2 & 3) when adjacent apex is eroded. Posterior profile flat (1) to moderately convex (3).
Excentric apex tilted forwards; located 26% (4 & 6) to 30% (3) of shell length from anterior.
Vacant dry shells; duller colours but clearer sculpture than when wet.
APPENDIX re range advance/retreat: flic.kr/p/2jW74ig