Large, slender, curved, white spines (1), up to 0.6 mm long, are arranged sparsely around, and protrude from, the edge of the girdle (enlarged in inset). Cornwall, July 2023. © M. Vos.
Large, slender, curved, white spines (1), up to 0.6 mm long, are arranged sparsely around, and protrude from, the edge of the girdle (enlarged in inset). Cornwall, July 2023. © M. Vos.