| Lutraria Temporal range:
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| Lutraria lutraria | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Venerida |
| Superfamily: | Mactroidea |
| Family: | Mactridae |
| Genus: | Lutraria Lamarck, 1799[1] |
| Species | |
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See text. | |
Lutraria is a genus of medium-sized marine bivalve mollusks or clams, commonly known as otter shells.