Laevicardium
| Laevicardium | |
|---|---|
| A whole preserved specimen of Laevicardium oblongum | |
| Scientific classification  | |
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Bivalvia | 
| Order: | Cardiida | 
| Family: | Cardiidae | 
| Genus: | Swainson, 1840  | 
Laevicardium, common name "egg cockles", is a genus of saltwater clams or cockles, marine bivalve molluscs in the family Cardiidae, the cockles.[1] They are unusual among the cockles in that they have smooth, rounded, "egg-like" valves.
Species
There are 33 species in Laevicardium:[2]
- 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
 
References
Wikimedia Commons has media related to Laevicardium.
- ^ Abbott, R.T. & Morris, P.A. A Field Guide to Shells: Atlantic and Gulf Coasts and the West Indies. New York: Houghton Mifflin, 1995. 58-59.
 - ^ "Laevicardium Swainson, 1840". Global Biodiversity Information Facility. Retrieved 2015-02-28.