Disarticulated L. asellus valves whitish, with distinct dark longitudinal lines.
1: Apophyses broader and less pointed than on Leptochiton cancellatus.
Head and tail valves in (lower) ventral view tilted down distally so they have outlines different from dorsal view.
.Disarticulated L. asellus for comparison. August 1975. Orkney.

KEY ID FEATURES and similar species at: 02 Leptochiton cancellatus