| Subject | English | Spanish |
| life.sc. | bivalve molluscs | almejas (Bivalvia, Lamellibranchia, Pelecypoda) |
| life.sc. | bivalve molluscs | moluscos bivalvos (Bivalvia, Lamellibranchia, Pelecypoda) |
| gen. | bivalve molluscs | bivalvos (Bivalvia, Lamellibranchia, Pelecypoda) |
| nat.sc. | bivalve shellfish | molusco bivalvo |
| fish.farm. | classification of bivalve mollusc harvesting areas | clasificación de las zonas de recolección de los moluscos bivalvos |