FIG. 4 in Hanging on - lucinid bivalve survivors from the Paleocene and Eocene in the western Indian Ocean (Bivalvia: Lucinidae)

FIG. 4. — Barbierella louisensis (Viader, 1951): A-D, Lucina (Bellucina) louisensis Viader, 1951 syntypes (AMS C.305545), off Port Louis, Mauritius, L (A, B) 6.2 mm, (C) 5.5 mm, H (D) 5.4 mm. Images by A. C. Miller, Copyright: Australian Museum; E-G, Barbierella scitula Oliver & Abou-Zeid, 1986, holotype (NMW.Z.1982.68.1) exterior of right and interior of right and left valves (gold coated for SEM), off Ras Budran, Gulf of Suez, Red Sea, 30 m, L 8.2 mm, Images copyright NMW; H-K, Barbierella louisensis, Banc de la Zélée, Mozambique Channel, BENTHEDI stn 110, 24 m; H, I, exterior and interior of left valve, L 7.8 mm; J, K, interior and exterior of right valve, L 7.8 mm; L-W, Barbierella louisensis Inhaca, Mozambique, INHACA stn MD13, 50-53 m (MNHN); L, M, interior and exterior of right valve, L 6.0 mm; N, O, exterior and interior of left valve, L 5.9 mm; P, Q, interior and exterior of right valve, L 5.9 mm; R, exterior of right valve coated SEM im- age, L 6.5 mm; S, T, detail of hinge area of right and left valves; U, detail of lunule and dentition of right valve; V, detail of sculpture of R,; W, protoconch. Scale bars, S, T, 1 mm; U, V, 500 µm; W, 100 µm.