| Corculum cardissa | 
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| Corculum cardissa | 
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| Scientific classification | 
| Domain: | Eukaryota | 
 
| Kingdom: | Animalia | 
 
| Phylum: | Mollusca | 
 
| Class: | Bivalvia | 
 
| Order: | Cardiida | 
 
| Family: | Cardiidae | 
 
| Genus: | Corculum | 
| Species: | C. cardissa | 
| Binomial name | 
| Corculum cardissa 
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| Synonyms | 
| Cardissa alba Megerle von Mühlfeld, 1811Cardium aequale Deshayes, 1855Cardium cardissa Linnaeus, 1758Cardium dionaeum Broderip & Sowerby, 1829Cardium humanum Chemnitz: Römer,Cardium impressum Lightfoot, 1786Cardium inversum Lamarck, 1819Cardium junoniae Lamarck, 1819Cardium monstrosum Gmelin, 1791Cardium productum Deshayes, 1855Cardium replicatum Spengler, 1799Cardium spinosa Swainson, 1840Cardium unimaculatum Sowerby, 1833Corculum aselae Bartsch, 1947Corculum dolorosum Röding, 1798Corculum humanum Röding, 1798Corculum inflatum Röding, 1798Corculum kirai Shikama, 1964Corculum levigatum Bartsch, 1947Corculum obesum Bartsch, 1947
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Corculum cardissa, the heart cockle, is a species of marine bivalve mollusc in the family Cardiidae. It is found in the Indo-Pacific region. It has a symbiotic relationship with dinoflagellates (zooxanthellae), which live within its tissues.