| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Mammalia |
| Order: | Carnivora |
| Suborder: | Fissipedia |
| Superfamily: | Arctoidea |
| Family: | Mustelidae |
- Subfamily
- Genus
- species – Common Name
- Amblonyx
- cinerea – Oriental small-clawed otter
- Aonyx
- capensis – African clawless otter
- Enhydra
- lutris – Sea otter
- Lontra
- canadensis – Northern river otter
- provocax – Southern river otter
- longicaudis – Long-tailed otter
- felina – Marine otter
- Lutra
- lutra – Eurasian river otter
- maculicollis – Spot-necked otter
- perspicillata – Smooth Indian otter
- platensis – La Plata otter
- sumatrana – Hairy-nosed otter
- Parsonyx
- congica – Congo clawless otter
- microdon – African small-clawed otter
- philippsi – Philipp’s small-clawed otter
- Pteronura
- brasiliensis – Giant otter
Mellinae
- Arctonyx
- collaris – Hog badger
- Meles
- meles – European badger
- meles anakuma – Japanese badger
- Melogale
- moschata – Chinese ferret badger
- orientalis – Borean ferret badger
- personata – Indian ferret badger
- Mydaus
- javanensis – Indonesian stink badger
- Suillotaxus
- marchei – Palawan badger
- Taxidea
- taxus – American badger
Mellivorinae
- Mellivora
- capensis – Honey badger, Ratel
Mephitinae
- Conepatus
- humboldti – Patagonian skunk
- leuconotus – Hog-nosed skunk
- rex – Andes skunk
- semistriatus – Amazonian skunk
- Mephitis
- macroura – Hooded skunk
- mephitis – Striped skunk
- Spilogale
- putorius – Spotted skunk
Mustelinae
- Gulo
- gulo – Wolverine
- Ictonyx
- striatus – Zorilla polecat, Striped polecat
- Lyncodon
- patagonicus – Patagonian weasel
- Martes
- americana – American marten
- flavigula – Yellow-throated marten
- foina – Beech marten, Stone marten
- gibellina – Sable
- gwatkinai – South Indian marten
- martes – Pine marten
- melampus – Japanese marten
- pennanti – Fisher
- Mustela
- africana – Tropical weasel
- altaica – Altai weasel
- erminea – Ermine
- erminea algerica – North African weasel
- eversmanni – Turkestan polecat
- kathiah – Yellow-bellied weasel
- lutreola – European mink
- nigripes – Black-footed ferret
- nivalis – Common weasel
- nivalis minuta – Dwarf weasel
- nivalis rixosa – American least weasel
- putorius – European polecat
- putorius furo – Ferret
- siberica – Siberian weasel
- strigidora – Stripe-back weasel
- vision – American mink
- Poecilictus
- libyca – North African banded weasel
- Poecilogale
- albinucha – African striped weasel
- Vormela
- pereguana – Marbled polecat
Lutrinae
