Very early growth stage; the shell, 1.4 mm high, has a relatively large spire and small body whorl. The crossing of the growth lines by the longitudinal striae forms a distinct cancellated pattern.
1: exterior. 2: interior. 3: semi decayed body, more opaque area is internal shell with orange viscera in it. 4: shell orientated as in the body image, but aperture turned upwards.
10 Berthella plumula. North Wales.
