fossiles
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Biarmosuchus | Taxon | 12 | 0.3 |
| Bidentalia | Taxon | 6 | 0.0 |
| Big Sara | Objet | 2 | 0.0 |
| Biseridens | Taxon | 9 | 0.3 |
| Blinasaurus | Taxon | 3 | 0.0 |
| Boii | Taxon | 4 | 0.1 |
| Bolosauridae | Taxon | 10 | 0.0 |
| Bomakellia | Taxon | 5 | 0.3 |
| Bonacynodon | Taxon | 9 | 0.2 |
| Boreopelta | Taxon | 5 | 0.0 |
| Bothriceps | Taxon | 4 | 0.0 |
| Bothriolepis | Taxon | 17 | 2.7 |
| Botrylloides | Taxon | 8 | 0.2 |
| Botrylloides Leachii | Taxon | 6 | 0.0 |
| Botryllus | Taxon | 12 | 0.4 |
| Botryllus Elegans | Taxon | 7 | 0.0 |
| Botryllus Schlosseri | Taxon | 14 | 1.2 |
| Brachyopoidea | Taxon | 11 | 0.1 |
| Brachyops | Taxon | 4 | 0.0 |
| Brachyopterus | Taxon | 6 | 0.0 |
| Brachystelechidae | Taxon | 6 | 0.0 |
| Branchierpeton | Taxon | 5 | 0.1 |
| Branchiosaurus | Taxon | 13 | 0.3 |
| Branchiostoma | Taxon | 23 | 1.3 |
| Branchiostoma Lanceolatum | Taxon | 33 | 6.3 |
| Branchiostomatidae | Taxon | 18 | 0.4 |
| Brasilitherium | Taxon | 8 | 0.5 |
| Brevidorsum | Taxon | 3 | 0.0 |
| Brindabellaspis | Taxon | 7 | 0.6 |
| Broiliellus | Taxon | 8 | 0.0 |
| Brontops | Taxon | 8 | 1.6 |
| Broomistega | Taxon | 8 | 0.3 |
| Bruntonichthys | Taxon | 6 | 0.3 |
| Budurovignathus | Taxon | 2 | 0.0 |
| Buettnererpeton | Taxon | 4 | 0.0 |
| Bukobaja | Taxon | 2 | 0.0 |
| Bulgosuchus | Taxon | 2 | 0.0 |
| Burnetiamorpha | Taxon | 8 | 0.0 |
| Burnetiidae | Taxon | 9 | 0.0 |
| Burykhia | Taxon | 5 | 0.0 |
| Cacops | Taxon | 14 | 0.0 |
| Cacops Aspidephorus | Taxon | 4 | 0.3 |
| Calamops | Taxon | 3 | 0.0 |
| Callibrachion | Taxon | 7 | 0.0 |
| Callograptus | Taxon | 3 | 0.0 |
| Calmasuchus | Taxon | 4 | 0.0 |
| Calmasuchus Acri | Taxon | 4 | 0.0 |
| Campbellodus Decipiens | Taxon | 2 | 0.2 |
| Campinasuchus Dinizi | Taxon | 7 | 0.1 |
| Camptognathus | Taxon | 1 | 0.0 |