Fig. 2.

3D reconstructions from CT data of the left bony labyrinth of (a–e) Diacodexis ilicis (AMNH VP 16141), line drawings of the left bony labyrinth of (f–j) Moschiola meminna (UM2 58V) and (k–o) Sus scrofa (UM2, not numbered) shown in anteromedial (a, f, k), lateral (b, g, l), dorsal (c, h, m), posterolateral (d, i, n), posterior (e, j, o) views. Scale bar: 5 mm. aam, anterior ampulla; ac, aqueduct cochleae; asc, anterior semicircular canal; av, aqueduct vestibuli; cc, common crus; co, cochlear canal; fc, fenestra cochleae; fv, fenestra vestibuli; lam, lateral ampulla; lsc, lateral semicircular canal; pam, posterior ampulla; psc, posterior semicircular canal; sac, saccule; scc, secondary common crus; ssl, secondary osseous spiral lamina; ut, utricule.