Length 26mm. Lateral view. Llŷn, North Wales. March 2016.
Distinct beak (1) on each of intermediate valves ,ii to vii, except where broken (2).
Perinotum (dorsal surface of girdle ) has 18 tufts of long (0.6 to 1.0mm) bristles which may be colourless or tinted orange, red or purple; arranged one tuft at each valve intersection and four bordering head valve i.

KEY ID FEATURES and similar species at: 01 Acanthochitona crinita