 sirenian_mammal |
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| 1. | [ noun ] (zoology) any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs | |
| Synonyms: | sirenian sea_cow | |
| Related terms: | aquatic_mammal dugong manatee Steller's_sea_cow Sirenia | |
