Longchaeus plicosus

Longchaeus cf. plicosus (Bronn, 1838) (Fig. 13F 1-F 3) cf. Pyramidella plicosa Bronn, 1838: 1026, pl. 40, fig. 24. cf. Longchaeus plicosus – Landau & Micali 2021: 211, pl. 8, figs 5-8. For more, see synonymy list in Landau & Micali (2021). MATERIAL AND DIMENSIONS. — Maximum height 2.9 mm (incomplete), width 1.3 mm. — RGM.1365276 (1), leg. AWJ. SPECIES CHARACTERISATION. — Three smooth, weakly convex abraded adult whorls preserved. Aperture broken. Columella marked by three folds; abapical two folds weaker. DISTRIBUTION. — Lower Pleistocene: Atlantic, Selsoif, NW France (this paper). REMARKS This fragment is unusual in having columellar folds suggesting placement in the genus Longchaeus, and the whorl outline suggesting Eulimella. Unfortunately, it is represented by a single poorly preserved specimen.