Diversity of chemosymbiotic bivalves on coral reefs: Lucinidae (Mollusca, Bivalvia) of New Caledonia and Lifou Author Glover, Emily A. Author Taylor, John D. Department of Zoology, The Natural History Museum, London SW 7 5 BD (United Kingdom) emily. glover @ dial. pipex. com j. taylor @ nhm. ac. uk taylor@nhm.ac.uk text Zoosystema 2007 29 1 109 181 journal article 10.5281/zenodo.5392295 1638-9387 5392295 Genus Cardiolucina Sacco, 1901 Cardiolucina Sacco, 1901 (June) : 89. Bellucina Dall, 1901 (August): 806. TYPE SPECIES. — Cardium agassizi Michelotti, 1839 (original designation). DIAGNOSIS. — Shells small (H to 14 mm ), subcircular, moderately inflated to subspheroidal. Sculpture of radial ribs crossed by commarginal lamellae, that are often fluted. Lunule heart-shaped, often deeply impressed. Hinge plate thick, 2 cardinal teeth and single anterior and posterior lateral teeth in each valve. Ligament external, short. Anterior adductor scar short, slightly detached from pallial line. Ventral margin crenulate.