Taxa
16412 results
| > | Arretotherium fricki | Animalia | Species | |
| > | Arretotherium leptodus | Animalia | Species | |
| > | Arsinoitheriidae | Animalia | Family | |
| > | Arsinoitherium | Animalia | Genus | |
| > | Arsinoitherium giganteum | Animalia | Species | |
| > | Arsinoitherium zitteli | Animalia | Species | |
| > | Artimonius | Animalia | Genus | |
| > | Artimonius australis | Animalia | Species | |
| > | Artimonius nocerai | Animalia | Species | |
| > | Artimonius witteri | Animalia | Species | |
| > | ARTIODACTYLA | Animalia | Order | |
| > | Arvernoceros | Animalia | Genus | |
| > | Arvernoceros ardei | Animalia | Species | |
| > | Arvernoceros verestchagini | Animalia | Species | |
| > | Arvernoceros insolitus | Animalia | Species | |
| > | Arvicanthis | Animalia | Genus | |
| > | Arvicanthis broekhuisi | Animalia | Species | |
| > | Arvicanthis magnus | Animalia | Species | |
| > | Arvicanthis niloticus | Animalia | Species | |
| > | Arvicanthis primaevus | Animalia | Species |