(настоящая) выдра ( Lutra ) ; выдры ( Lutrinae )
- African small-clawed otter
- Canadian otter
- clawless otter
- coast otter
- Eurasian otter
- flat-tailed otter
- giant otter
- Liberian otter
- margin-tailed otter
- marsh otter
- North American otter
- river otter
- sea otter
- typical otter
- winged-tailed otter