Falsolucinoma leloeuffi Cosel 2006, n. comb.

• Main Author: Cosel, Rudo von
• Format: Other/Unknown Material
• Language: unknown
• Published: 2006
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Bivalvia; Lucinoida; Lucinidae; Falsolucinoma; Falsolucinoma leloeuffi; Fridtjof; Reine; Fridtjof Nansen
• Online Access: https://zenodo.org/record/4892966; https://doi.org/10.5281/zenodo.4892966

Falsolucinoma leloeuffi (Cosel, 1989) n. comb. (Figs 7; 8) Lucina leloeuffi Cosel, 1989: 315, 316, pl. 1, figs 1-3. TYPE MATERIAL. — Holotype: E Liberia, off Cap des Palmes, c. 4°10’N, 7°40’W, 250 m, dredged RV Reine Pokou, 13.X.1971, leg. Le Loeuff (IRD), 1 lv. (MNHN). Paratypes: same locality, 2 lv. (MNHN). TYPE LOCALITY. — Cap des Palmes, E Liberia, tropical West Africa. OTHER MATERIAL EXAMINED. — Cameroon. 1 spm (MNHN) taken by RV Fridtjof Nansen during a cruise off the coast of Cameroon for FAO purpose. Data of the specimen unknown. DISTRIBUTION. — Gulf of Guinea, apparently from western Côte d’Ivoire to Cameroon. DESCRIPTION Shell large, up to 56 mm long, length/height ratio 1.2, relatively thin-shelled, but solid, inequilateral, compressed, subcircular-triangular-rostrate, slightly variable in outline and length/height ratio. Beaks situated at or just behind the anterior third of the valve. Anterior part triangular-rostrate, anterior margin pointed. Posterior part broad, posterior margin obliquely truncate. Postero-dorsal corner rather broadly rounded. Antero-dorsal margin nearly straight, postero-dorsal margin slightly convex. Ventral margin behind the anterior point slightly concave, then to postero-ventral corner evenly rounded, this latter narrowly rounded. Exterior with 10-15 conspicuous, prominent, thin, raised and widely spaced commarginal lamellae: 15 in the holotype, 10 and 14 in the paratypes, which on the early and middle part of the valves are evenly spaced, and may become slightly more closely spaced ventrally. Interspaces smooth, with shallow commarginal growth waves. Posterior area with a broad and shallow radial depression, separated from the disk by a broadly rounded posterior angle. Anterior area with a well marked and sharp radial depression, ending in a sinuosity in the upper anterior margin. Anterior angle narrowly rounded. Hinge plate narrow, in the left valve with a small anterior cardinal and a narrow lamellar posterior cardinal, a strong anterior lateral and a narrow and long ...