A complete adult with test with the chevrons smaller, more uneven and inclined forwards at a greater angle than in A. margaritatus. Corded venter shows well and the body shows uncoiling of the umbilical seam. Venter terminates with a strong forward-projecting lappet. One side and the venter on a small block. From Golden Cap, Dorset.
Size: 51 mm
Size: 51 mm