| Species (N=5) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) |
|---|---|---|---|---|---|---|---|
| Batrachuperus mustersi | 34.0 | 66.0 | 2411 | 1454 | 3828 | 3671 | 11.0 |
| Hynobius leechii | 33.7 | 66.3 | 2366 | 1464 | 3857 | 3682 | 7.1 |
| Hynobius nebulosus | 34.2 | 65.8 | 2444 | 1438 | 3788 | 3694 | 14.2 |
| Onychodactylus fischeri | 31.0 | 69.0 | 2158 | 1367 | 4011 | 3817 | 17.0 |
| Salamandrella keyserlingii | 34.8 | 65.2 | 2442 | 1512 | 3782 | 3626 | 8.0 |