Graphis albida ( Kanmacher, 1798 )

Bouchard, Blanche, Wesselingh, Frank P., Pouwer, Ronald & Landau, Bernard, 2025, The Gelasian gastropod fauna of Selsoif (Manche, France), Geodiversitas 47 (3), pp. 39-91 : 76

Graphis albida ( Kanmacher, 1798)

( Fig. 13C )

Turbo albidus Kanmacher 1798: 637 , pl. 14, fig. 17.

Graphis albida – Landau & Micali 2021: 207, pl. 5, fig. 1.

For more, see synonymy list in Landau & Micali (2021).

MATERIAL AND DIMENSIONS. — Maximum height 0.5 mm, width 0.2 mm. — RGM.1365080 (1), leg. AWJ .

SPECIES CHARACTERISATION. — Small, thin turriform shell. Protoconch and early teleoconch whorls not preserved. Three convex teleoconch whorls, swollen in abapical half. Sculpture of sinuous axial ribs and fine spiral cords in visible in axial interspaces.

DISTRIBUTION. — Lower Pliocene: central Mediterranean, Italy ( Chirli & Bogi 2002; Chirli 2013). — Upper Pliocene: Atlantic, Mondego Basin, Portugal ( Landau & Micali 2021); western Mediterranean, Estepona Basin, S. Spain ( Landau & Micali 2021). — Lower Pleistocene: Atlantic, Selsoif, NW France (this paper).Today this species occurs in the eastern Atlantic of south Norway, British Isles ( Fretter & Graham 1982), North Sea ( Raven 2020) to Canaries ( Hernández et al. 2011), Madeira and Selvagens Islands ( Segers et al. 2009), Cape Verde Islands, West Africa ( Rolán 2005) and Mediterranean, Italy ( Giannuzzi-Savelli et al. 2014).

Figures

FIG. 13. — Gastropods from Selsoif. All illustrated specimens are collected from the Sablière du Grand Marais, Selsoif, France and come from the Early Pleistocene Saint-Nicolas de Pierrepont Formation (continuation):A, Admete trigostomoides n. sp.(holotype): MNHN.F.A91318,leg SM, H = 6.12 mm;B, Admete trigostomoides n.sp.(paratype), RGM.1310836 leg.SM,H = 5.7 mm;C, Graphis albida (Kanmacher,1798),RGM.1365080,leg AWJ,H = 519 μm; D, Retusa obtusa (Montagu,1803), RGM.1365121,leg AWJ, H = 1.69 mm;E, Haminoea sp.,RGM.13650018,leg ACJ,W = 3.49 mm; F, Longchaeus cf.plicosus (Bronn,1838), RGM.1365276,leg AWJ, H = 2.96 mm;G, Odostomia unidentata (Montagu,1803), RGM.1365214,leg AWJ,H = 1.14 mm;H, Odostomiinae indet., RGM.1365199,leg AWJ,H = 0.9 mm;I, Ondina divisa (J. Adams,1797), RGM.1365266, leg AWJ, H = 1.13 mm. Scale bars: A, B, E, 2 mm; C, 100 μm; D, F, 1 mm; G, H, I, 500 μm.