 
			| Species (N=34) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) | 
|---|---|---|---|---|---|---|---|
| Apalone ferox | 41.2 | 58.8 | 241 | 159 | 201 | 371 | 26.2 | 
| Apalone spinifera | 40.3 | 59.7 | 230 | 161 | 206 | 373 | 25.2 | 
| Caretta caretta | 41.6 | 58.4 | 241 | 163 | 205 | 361 | 37.0 | 
| Carettochelys insculpta | 42.4 | 57.6 | 243 | 167 | 196 | 361 | 38.4 | 
| Chelodina longicollis | 40.3 | 59.7 | 227 | 164 | 221 | 359 | 37.0 | 
| Chelonia mydas | 41.9 | 58.1 | 242 | 164 | 207 | 356 | 75.0 | 
| Chelus fimbriata | 41.4 | 58.6 | 240 | 162 | 214 | 356 | 35.8 | 
| Chelydra serpentina | 42.3 | 57.7 | 244 | 164 | 210 | 347 | 47.0 | 
| Chrysemys picta | 41.0 | 59.0 | 232 | 165 | 206 | 366 | 61.0 | 
| Cuora amboinensis | 41.9 | 58.1 | 239 | 166 | 210 | 351 | 38.2 | 
| Cuora flavomarginata | 41.2 | 58.8 | 234 | 164 | 215 | 352 | 19.1 | 
| Cuora trifasciata | 42.6 | 57.4 | 243 | 169 | 204 | 351 | 31.8 | 
| Cyclemys dentata | 41.0 | 59.0 | 233 | 163 | 214 | 356 | 14.7 | 
| Indotestudo forstenii | 42.0 | 58.0 | 250 | 157 | 203 | 360 | 32.9 | 
| Kinosternon leucostomum | 38.6 | 61.4 | 211 | 160 | 229 | 360 | 19.2 | 
| Lissemys punctata | 41.2 | 58.7 | 233 | 169 | 205 | 368 | 17.8 | 
| Macrochelys temminckii | 41.0 | 59.0 | 229 | 167 | 223 | 347 | 70.3 | 
| Malacochersus tornieri | 41.7 | 58.3 | 242 | 162 | 207 | 358 | 25.9 | 
| Manouria emys | 42.1 | 57.9 | 247 | 161 | 203 | 359 | 19.9 | 
| Mauremys japonica | 40.6 | 59.4 | 232 | 162 | 218 | 359 | 16.2 | 
| Mauremys mutica | 41.0 | 59.0 | 234 | 165 | 217 | 356 | 22.1 | 
| Notochelys platynota | 39.9 | 60.1 | 224 | 160 | 223 | 355 | 18.8 | 
| Palea steindachneri | 41.4 | 58.6 | 238 | 165 | 210 | 361 | 41.0 | 
| Pelomedusa subrufa | 42.5 | 57.5 | 238 | 173 | 217 | 340 | 20.1 | 
| Pelusios castaneus | 43.5 | 56.5 | 240 | 182 | 211 | 338 | 41.0 | 
| Platemys platycephala | 41.2 | 58.8 | 234 | 166 | 214 | 357 | 20.0 | 
| Platysternon megacephalum | 41.7 | 58.3 | 233 | 166 | 215 | 343 | 27.0 | 
| Sacalia bealei | 40.9 | 59.1 | 234 | 163 | 216 | 357 | 27.3 | 
| Sternotherus carinatus | 39.1 | 60.9 | 221 | 156 | 220 | 367 | 29.3 | 
| Testudo graeca | 40.0 | 60.0 | 231 | 157 | 219 | 363 | 127.0 | 
| Testudo kleinmanni | 42.0 | 58.0 | 246 | 161 | 205 | 356 | 21.0 | 
| Testudo marginata | 41.3 | 58.7 | 237 | 163 | 212 | 356 | 21.2 | 
| Trachemys scripta | 41.8 | 58.2 | 236 | 169 | 207 | 357 | 41.3 | 
| Trionyx triunguis | 42.5 | 57.5 | 254 | 161 | 197 | 365 | 50.6 | 
