| Species (N=5) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) |
|---|---|---|---|---|---|---|---|
| Batrachuperus mustersi | 33.8 | 66.1 | 148 | 122 | 275 | 253 | 11.0 |
| Hynobius leechii | 35.2 | 64.8 | 154 | 128 | 283 | 237 | 7.1 |
| Hynobius nebulosus | 34.6 | 65.4 | 159 | 119 | 281 | 245 | 14.2 |
| Onychodactylus fischeri | 34.8 | 65.2 | 153 | 122 | 279 | 236 | 17.0 |
| Salamandrella keyserlingii | 33.2 | 66.8 | 136 | 108 | 266 | 226 | 8.0 |