Ecrobia ventrosa

Ecrobia cf. ventrosa (Montagu, 1803) (Fig. 9C 1-C 3) cf. Turbo ventrosus Montagu, 1803: 317, pl. 12, fig. 13. cf.? Peringia ulvae – Harmer 1922: 873, pl. 65, fig. 27. cf. Hydrobia ventrosa – Fretter & Graham 1978: 125, fig. 114. cf. Ecrobia ventrosa – Hoeksema & Raad 2015: 25, fig. 2. cf. Ecrobia cf. ventrosa – Símonarson & Eiríksson in Eiriksson & Símonarson 2021: 256, pl. 7.2, fig. 8. MATERIAL AND DIMENSIONS. — Maximum height 1.5 mm, width 0.8 mm. — RGM.1365261 (1), leg. ACJ. SPECIES CHARACTERISATION. — Thin shelled hydrobiid with marked convex whorl profile and relatively deep suture; aperture rounded. The specimen at hand suffers from corrosion of the outer shell layer, hence its uncertain attribution. DISTRIBUTION. — Lower Pliocene: Iceland (Símonarson et al. 2021). — Upper Pliocene: NSB, Red Crag, England (Hoeksema & Raad 2015). — Lower Pleistocene: Maassluis Formation, Netherlands (RGM collection); Atlantic, Selsoif, NW France (this paper). — Pleistocene and Holocene (indeterminate): NSB, Netherlands (Hoeksema & Raad 2015). Today it occurs along the European coasts from Norway and the Baltic to the Mediterranean and Black Sea (Fretter & Graham 1978).