Lucinoma Dall, 1901

Cosel, Rudo von, 2006, Taxonomy of tropical West African bivalves. VI. Remarks on Lucinidae (Mollusca, Bivalvia), with description of six new genera and eight new species, Zoosystema 28 (4), pp. 805-851 : 828

Genus Lucinoma Dall, 1901

TYPE SPECIES. — Lucina filosa Stimpson, 1851 , by original designation.

SPECIES INCLUDED. — Numerous species, worldwide.

DIAGNOSIS. — Shells medium-sized to very large, rather thin to strong and solid, very variable in outline, in general subcircular to somewhat triangular, but also almost circular to even short-oval. Anterior margin broadly rounded to more or less pointed. Umbones in front of the vertical midline. Surface with more or less pronounced commarginal ribs or lamellae and finer threads between them. Hinge with two well developed cardinal teeth in each valve and a small anterior lateral and often a small posterior lateral. Diverging part of the anterior adductor scar very long and more or less narrow.

REMARKS

Lucinoma is one of the most speciose lucinid genera; it is distributed worldwide, in tropical latitudes as well as in temperate and cold waters. In tropical West Africa, four species are known. More detailed comments on the genus will be given Cosel & Bouchet (unpubl. data).