(A, B) Orthonychia enorme Lindström (1884). (A) Paralectotype NRM 38221. (A1–A4) Right lateral, left lateral, anterior, and posterior views; iIllustrated by Lindström (1884, pl. 2, figs 64–66). (B) Paralectotype NRM 38218. (B1) Left lateral view. (B2) Detail of ornamentation near the aperture. The museum label indicates that this is the specimen illustrated by Lindström (1884, pl. 2, fig. 59), but the specimen does not match the illustration particularly well. Scale bar: 0.5 cm (A, B1).