mammifères
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Musaraigne Naine | Taxon | 34 | 1.1 |
| Musaraigne Palustre | Taxon | 27 | 1.1 |
| Musaraigne de Whitaker | Taxon | 17 | 0.5 |
| Musaraigne des Maritimes | Taxon | 20 | 0.4 |
| Musaraigne du Désert | Taxon | 20 | 0.5 |
| Musaraigne du Valais | Taxon | 22 | 1.0 |
| Mustelidae | Taxon | 100 | 174.1 |
| Musteloidea | Taxon | 38 | 5.8 |
| Muzaffarnagari | Concept | 1 | 0.2 |
| Mydaus | Taxon | 31 | 3.4 |
| Mydaus Javanensis | Taxon | 34 | 0.0 |
| Mydaus Marchei | Taxon | 33 | 0.0 |
| Mylodon | Taxon | 20 | 8.0 |
| Mylodontidae | Taxon | 13 | 2.1 |
| Mylohyus | Taxon | 10 | 0.5 |
| Mylohyus Fossilis | Taxon | 5 | 0.0 |
| Myosorex | Taxon | 23 | 0.6 |
| Myosorex Eisentrauti | Taxon | 18 | 0.4 |
| Myosorex Kihaulei | Taxon | 15 | 0.1 |
| Myosorex Rumpii | Taxon | 18 | 0.3 |
| Myosorex Varius | Taxon | 19 | 0.2 |
| Myosoricinae | Taxon | 17 | 0.2 |
| Myrmecophagidae | Taxon | 52 | 8.3 |
| Myrmidon | Taxon | 45 | 11.5 |
| Médor | Objet | 2 | 3.6 |
| Mérinos | Concept | 44 | 77.1 |
| Mérinos D'arles | Concept | 3 | 13.9 |
| Mérinos Précoce | Concept | 11 | 1.1 |
| Mérinos de Rambouillet | Concept | 16 | 10.5 |
| Namaqua Afrikaner | Concept | 1 | 0.1 |
| Nandiniidae | Taxon | 5 | 6.9 |
| Nangue À Tête Noire | Concept | 1 | 0.0 |
| Nannosciurus Melanotis | Taxon | 25 | 0.3 |
| Nasua | Taxon | 42 | 7.3 |
| Nasua Narica Nelsoni | Taxon | 19 | 0.9 |
| Nasua Nasua | Taxon | 49 | 27.4 |
| Nasua Olivacea | Taxon | 10 | 3.2 |
| Natsu | Objet | 1 | 2.0 |
| Neamblysomus | Taxon | 16 | 0.7 |
| Neamblysomus Gunningi | Taxon | 20 | 0.1 |
| Nectogale Elegans | Taxon | 26 | 0.7 |
| Nectogalini | Taxon | 10 | 0.4 |
| Nellore | Concept | 2 | 0.0 |
| Nemo | Objet | 4 | 19.1 |
| Neodon Sikimensis | Taxon | 25 | 0.0 |
| Neohelos | Taxon | 6 | 0.0 |
| Neohylomys Hainanensis | Taxon | 26 | 0.4 |
| Neomys | Taxon | 31 | 1.9 |
| Neomys Anomalus | Taxon | 37 | 2.7 |
| Neomys Fodiens | Taxon | 50 | 6.3 |