fossiles
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Amphibamus | Taxon | 13 | 0.2 |
| Amphibamidae | Taxon | 10 | 0.5 |
| Amniota | Taxon | 75 | 37.3 |
| Alphadon | Taxon | 16 | 0.0 |
| Aloposaurus | Taxon | 10 | 0.3 |
| Alierasaurus | Taxon | 8 | 0.6 |
| Alegeinosaurus | Taxon | 4 | 0.4 |
| Akidnognathus | Taxon | 5 | 0.0 |
| Akidnognathidae | Taxon | 6 | 0.0 |
| Aistopoda | Taxon | 17 | 1.5 |
| Agneziidae | Taxon | 9 | 0.0 |
| Agnatha | Taxon | 71 | 28.3 |
| Agilodocodon | Taxon | 10 | 0.0 |
| Agadirichnus Elegans | Taxon | 1 | 0.0 |
| Aelurosaurus | Taxon | 9 | 0.0 |
| Aelurognathus | Taxon | 11 | 0.6 |
| Aegirocassis | Taxon | 21 | 1.1 |
| Adelospondylus | Taxon | 7 | 0.0 |
| Adelogyrinus | Taxon | 6 | 0.0 |
| Adelobasileus | Taxon | 13 | 2.7 |
| Adamanterpeton | Taxon | 4 | 0.0 |
| Actiobates | Taxon | 3 | 0.0 |
| Actinolepis Spinosa | Taxon | 2 | 0.0 |
| Actinodon Frossardi | Taxon | 3 | 0.0 |
| Actinodon | Taxon | 6 | 0.1 |
| Actinistia | Taxon | 11 | 2.9 |
| Acroplous | Taxon | 4 | 0.1 |
| Acritarche | Taxon | 30 | 7.2 |
| Acodus | Taxon | 2 | 0.2 |
| Acodontidae | Taxon | 1 | 0.0 |
| Acherontiscus | Taxon | 8 | 0.2 |
| Acheloma Cumminsi | Taxon | 1 | 0.0 |
| Acheloma | Taxon | 8 | 0.1 |
| Acerastia | Taxon | 1 | 0.0 |
| Acanthostomatops | Taxon | 7 | 0.1 |
| Acanthomeridion | Taxon | 4 | 0.5 |
| Acanthodus | Taxon | 3 | 0.0 |
| Acanthodontidae | Taxon | 1 | 0.0 |
| Acanthodina | Taxon | 1 | 0.1 |
| Acanthodii | Taxon | 58 | 4.3 |