Polysphenodon
| Polysphenodon Temporal range: Late Triassic,   | |
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| Reconstructed skull | |
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| Genus: | †Polysphenodon Jaeckel, 1911  | 
| Type species | |
| †Polysphenodon mulleri Jaeckel, 1911  | |
Polysphenodon is an extinct genus of sphenodontian reptile with a single species Polysphenodon mulleri from the Late Triassic Keuper Group of Germany.