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| lamellibranches (Bivalvia, Lamellibranchia, Pelecypoda); bivalves (Bivalvia, Lamellibranchia, Pelecypoda); clams (Bivalvia, Lamellibranchia, Pelecypoda) | |||
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| clams (Bivalvia, Prionodesmacea, Teleodesmacea) | |||
| bivalve: 2 phrases in 2 subjects |
| Agriculture | 1 |
| Natural sciences | 1 |