mammifères
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Neomys Teres | Taxon | 26 | 0.2 |
| Neotamandua | Taxon | 8 | 0.5 |
| Neotetracus Sinensis | Taxon | 25 | 1.2 |
| Nesiotites Hidalgo | Taxon | 15 | 0.1 |
| Nesophontes | Taxon | 25 | 0.7 |
| Nesophontes Edithae | Taxon | 19 | 1.0 |
| Nesophontes Hypomicrus | Taxon | 16 | 5.4 |
| Nesophontes Longirostris | Taxon | 11 | 0.4 |
| Nesophontes Major | Taxon | 16 | 0.5 |
| Nesophontes Micrus | Taxon | 17 | 3.0 |
| Nesophontes Paramicrus | Taxon | 16 | 1.9 |
| Nesophontes Submicrus | Taxon | 12 | 0.4 |
| Nesophontes Superstes | Taxon | 12 | 0.5 |
| Nesophontes Zamicrus | Taxon | 16 | 2.2 |
| Nesophontidae | Taxon | 6 | 1.5 |
| Neurogymnurus | Taxon | 3 | 0.0 |
| Neurotrichus | Taxon | 9 | 0.2 |
| Neurotrichus Gibbsii | Taxon | 25 | 0.6 |
| Nez Noir du Valais | Concept | 10 | 26.5 |
| Nim Chimpsky | Objet | 15 | 3.1 |
| Nimravidae | Taxon | 28 | 9.5 |
| Nimravinae | Taxon | 8 | 0.3 |
| Nimravus | Taxon | 16 | 1.9 |
| Ningxiatherium | Taxon | 4 | 0.3 |
| Noire de Thibar | Concept | 3 | 6.9 |
| Noire du Velay | Concept | 5 | 9.9 |
| Noori | Concept | 3 | 0.2 |
| Noriphoca | Taxon | 4 | 0.2 |
| North Ronaldsay | Concept | 11 | 0.4 |
| Nothrotheriops | Taxon | 10 | 1.8 |
| Notioprogonia | Taxon | 11 | 0.1 |
| Notiosorex | Taxon | 21 | 0.5 |
| Notiosorex Cockrumi | Taxon | 16 | 0.2 |
| Notoryctes Typhlops | Taxon | 37 | 0.7 |
| Notoryctidae | Taxon | 25 | 2.5 |
| Notostylopidae | Taxon | 10 | 0.3 |
| Notoungulata | Taxon | 26 | 2.5 |
| Numéro 16 | Objet | 10 | 0.4 |
| Nénette | Objet | 2 | 16.6 |
| Néro | Objet | 2 | 0.3 |
| Obaysch | Objet | 14 | 0.0 |
| Obdurodon Dicksoni | Taxon | 11 | 1.4 |
| Obdurodon Insignis | Taxon | 10 | 1.7 |
| Octomylodon | Taxon | 3 | 0.0 |
| Oie Domestique | Concept | 61 | 94.5 |
| Okapi | Taxon | 98 | 199.0 |
| Old Bet | Objet | 5 | 0.1 |
| Old Tom | Objet | 4 | 0.6 |
| Oranda | Concept | 17 | 7.8 |
| Orangey | Objet | 14 | 4.2 |