| Species (N=5) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) |
|---|---|---|---|---|---|---|---|
| Batrachuperus mustersi | 25.0 | 75.0 | 27 | 15 | 61 | 65 | 11.0 |
| Hynobius leechii | 25.0 | 75.0 | 26 | 16 | 60 | 66 | 7.1 |
| Hynobius nebulosus | 26.8 | 73.2 | 29 | 16 | 56 | 67 | 14.2 |
| Onychodactylus fischeri | 30.4 | 69.6 | 39 | 12 | 48 | 69 | 17.0 |
| Salamandrella keyserlingii | 25.6 | 74.4 | 27 | 16 | 60 | 65 | 8.0 |