n = 22
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Laevicardium papyraceaum | (Bruguière, 1789) | Fulvia papyracea | Cardiidae | Paper cockle |
| Laevicardium papyraceum | (Bruguière, 1789) | Fulvia papyracea | Cardiidae | Paper cockle |
| Laevicardium undatopictum | (Pilsbry, 1904) | Fulvia undatopicta | Cardiidae | |
| Laevicardium attenuatum | (Sowerby, 1841) | Laevicardium attenuatum | Cardiidae | Attenuated cockle |
| Laevicardium biradiatum | (Bruguiére, 1789) | Laevicardium biradiatum | Cardiidae | |
| Laevicardium brasilianum | (Lamarck, 1819) | Laevicardium brasilianum | Cardiidae | |
| Laevicardium crassum | (Gmelin, 1791) | Laevicardium crassum | Cardiidae | Norwegian egg cockle |
| Laevicardium elatum | (Sowerby I, 1833) | Laevicardium elatum | Cardiidae | Giant eggcockle |
| Laevicardium fiski | Richards, 1954 | Laevicardium fiski | Cardiidae | |
| Laevicardium laevigatum | (Linnaeus, 1758) | Laevicardium laevigatum | Cardiidae | Eggcockle |
| Laevicardium lobulatum | (Deshayes, 1854) | Laevicardium lobulatum | Cardiidae | |
| Laevicardium mortoni | (Conrad, 1830) | Laevicardium mortoni | Cardiidae | Yellow eggcockle |
| Laevicardium multipunctatum | (Sowerby, 1833) | Laevicardium multipunctatum | Cardiidae | |
| Laevicardium oblongum | (Gmelin, 1791) | Laevicardium oblongum | Cardiidae | |
| Laevicardium pictum | (Ravenel, 1861) | Laevicardium pictum | Cardiidae | Painted eggcockle |
| Laevicardium pristis | (Bory de Saint-Vincent, 1827) | Laevicardium pristis | Cardiidae | |
| Laevicardium angmagsalikense | Voskuil & Onverwagt, 1992 | Laevicardium pristis | Cardiidae | |
| Laevicardium pulcherrimum | Sakurai & Habe, 1966 | Laevicardium pulcherrimum | Cardiidae | |
| Laevicardium rubropictum | Habe & Kosuge, 1966 | Laevicardium rubropictum | Cardiidae | |
| Laevicardium serratum | (Linne, 1758) | Laevicardium serratum | Cardiidae | |
| Laevicardium substriatum | (Conrad, 1837) | Laevicardium substriatum | Cardiidae | Pacific eggcockle |
| Laevicardium sybariticum | (Dall, 1886) | Laevicardium sybariticum | Cardiidae | Delicate eggcockle |