| Gewervelde Dieren (Vertebrata) |
| Vissen | Amfibien | Reptielen (Reptilia) |
Vogels | Zoogdieren |
| Slangen (Serpentes) |
Schildpadden (Testudines) |
Hagedissen (Sauria) |
Krokodillen (Crocodilia) |
| Prehistorisch (Amphichelydia) |
Halswenders (Pleurodira) |
Halsbergers (Cryptodira) |
| Archaeochelydiidae (Incerta) |
| Proganochelyoidea | Pleurosternoidea | Baenoidea |
| Proganochelyoidea | Pleurosternidea | Baenidea |
| Proterochersidae | Kallolibotiidae | Eubaenidae |
| Plesiochelyidae | Macrobaenidae | |
| Thallassemydidae | Neurankylidae | |
| Aperotemporalidae | Meiolanlidae |