03 Haminoea navicula

03 Haminoea navicula

Section of shell at over 10X magnification. Parts of nine transverse growth bands, each with short sections of spiral striae that are slightly offset from the striae in adjacent bands. This gives the spiral striae a slightly jagged appearance. Height 21.2 mm. Strandline shell. South Devon, England, May 2017. Leg. H. Morgenroth & K. Rose.