04 Calliostoma zizyphinum

04 Calliostoma zizyphinum

Ground colour varies white to peach-pink. Transverse purplish-pink “flames”. Thin yellow-brown periostracum obscures colours on narrow spiral bands.
Sharp apex usually un-eroded.
Spiral bands have curved/sloping abapical edges and steep adapical edges. Position of slight suture indicated by wide suprasutural band.
Height 23 mm. Portland Harbour. April 2012.