mammifères
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Afrotheria | Taxon | 53 | 14.3 |
| Afrosoricida | Taxon | 58 | 6.1 |
| Afroinsectivora | Taxon | 11 | 0.0 |
| Afar | Concept | 1 | 0.1 |
| Aeluroidea | Taxon | 9 | 1.0 |
| Aegialodon | Taxon | 8 | 0.2 |
| Adonis | Objet | 2 | 0.0 |
| Adilophontes | Taxon | 7 | 0.0 |
| Adcrocuta | Taxon | 13 | 0.5 |
| Adalatherium | Taxon | 8 | 0.3 |
| Actiocyon | Taxon | 3 | 0.3 |
| Acrophoca | Taxon | 13 | 2.0 |
| Acratocnus | Taxon | 10 | 1.2 |
| Acerorhinus | Taxon | 10 | 0.3 |
| Aceratherium | Taxon | 25 | 4.2 |
| Aceratheriinae | Taxon | 11 | 0.0 |
| Abrothrix Illuteus | Taxon | 17 | 0.3 |
| Abrothrix Andina | Taxon | 20 | 0.1 |
| Aboutyou | Objet | 17 | 0.2 |
| Abada | Objet | 3 | 0.2 |
| 52 Hertz | Objet | 27 | 10.0 |