Laevicardium

Laevicardium, common named egg cockles, is a genus of saltwater clams or cockles, marine bivalve molluscs in the family Cardiidae, the cockles. They are unusual among the cockles in that they have smooth, rounded, egg-shaped valves.

==Species== There are 33 species in Laevicardium: Laevicardium attenuatum Laevicardium biradiatum Laevicardium brasilianum Laevicardium castaneum Laevicardium clarionense Laevicardium compressum Laevicardium crassum (Gmelin, 1791) — Norwegian egg cockle Laevicardium decorticatum Laevicardium elatum (Sowerby, 1833) — Giant egg cockle Laevicardium eliodelfabroi Cossignani, 2024 Laevicardium etheringtoni Laevicardium gorgasi Laevicardium laevigatum (Linnaeus, 1758) — egg cockle Laevicardium leptorimum Laevicardium lobulatum Laevicardium lyratum Laevicardium mortoni (Conrad, 1830) — Morton's egg cockle Laevicardium multipunctatum Laevicardium nemo Laevicardium nemocardiforme Laevicardium oblongum Laevicardium parisiense Laevicardium parkinsoni Laevicardium pedernalense Laevicardium pictum (Ravenel, 1861) — Ravenel's egg cockle Laevicardium pristis Laevicardium rudentis Laevicardium serratum Laevicardium substriatum Laevicardium sybariticum (Dall, 1886) — Dall's egg cockle Laevicardium tegalense Laevicardium tenuisulcatum Laevicardium tertium Laevicardium tristiculum Laevicardium venustulum