| Class Amphibia Gray, 1825 |
| Order Anura Fischer von Waldheim, 1813 |
| Clade Ranoides Frost et al., 2006 |
| Clade Ranoidea Frost et al., 2006 |
| Clade Natatanura Frost et al., 2006 |
| Genus Thaumastosaurus De Stefano, 1903 |
| Thaumastosaurus bottii De Stefano, 1903 |
| (Figs. 2–5) |
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