 
			| Species (N=5) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) | 
|---|---|---|---|---|---|---|---|
| Batrachuperus mustersi | 34.0 | 66.0 | 303 | 166 | 455 | 454 | 11.0 | 
| Hynobius leechii | 32.6 | 67.4 | 295 | 154 | 464 | 465 | 7.1 | 
| Hynobius nebulosus | 33.2 | 66.8 | 302 | 155 | 453 | 468 | 14.2 | 
| Onychodactylus fischeri | 29.8 | 70.2 | 265 | 146 | 491 | 476 | 17.0 | 
| Salamandrella keyserlingii | 35.3 | 64.6 | 311 | 176 | 441 | 449 | 8.0 | 
