| Species (N=390) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) |
|---|---|---|---|---|---|---|---|
| Inia geoffrensis | 39.6 | 60.4 | 198 | 72 | 194 | 217 | 31.3 |
| Isoodon macrourus | 34.7 | 65.3 | 171 | 65 | 228 | 217 | 6.8 |
| Jaculus jaculus | 42.1 | 57.9 | 203 | 84 | 207 | 187 | 7.3 |
| Kobus ellipsiprymnus | 38.8 | 61.2 | 191 | 73 | 191 | 226 | 30.0 |
| Kobus leche | 37.7 | 62.3 | 186 | 71 | 198 | 226 | 25.4 |
| Kogia breviceps | 42.7 | 57.3 | 215 | 76 | 180 | 210 | 17.0 |
| Lagorchestes hirsutus | 39.8 | 60.2 | 203 | 68 | 199 | 211 | 13.2 |
| Lagothrix lagotricha | 37.0 | 63.0 | 190 | 62 | 202 | 227 | 32.0 |
| Lama glama | 38.9 | 61.1 | 184 | 81 | 206 | 210 | 28.9 |
| Lama guanicoe | 40.4 | 59.6 | 183 | 92 | 208 | 198 | 33.7 |
| Lama pacos | 39.1 | 60.9 | 184 | 82 | 205 | 210 | 25.8 |
| Lemur catta | 38.2 | 61.8 | 195 | 65 | 213 | 208 | 37.3 |
| Leontopithecus rosalia | 35.1 | 64.9 | 174 | 65 | 220 | 222 | 31.6 |
| Lepus europaeus | 38.6 | 61.4 | 187 | 76 | 205 | 213 | 10.7 |
| Lepus timidus | 40.2 | 59.8 | 195 | 79 | 200 | 207 | 18.0 |
| Lipotes vexillifer | 40.2 | 59.8 | 213 | 61 | 182 | 225 | 24.0 |
| Litocranius walleri | 36.3 | 63.7 | 181 | 66 | 206 | 228 | 17.3 |
| Loris tardigradus | 38.9 | 61.1 | 195 | 70 | 197 | 219 | 19.3 |
| Loxodonta africana | 38.9 | 61.1 | 187 | 73 | 199 | 210 | 65.0 |
| Lutra lutra | 41.7 | 58.3 | 201 | 83 | 194 | 203 | 18.2 |
| Lynx lynx | 41.7 | 58.3 | 199 | 85 | 194 | 203 | 23.7 |
| Lynx rufus | 40.5 | 59.5 | 193 | 83 | 199 | 206 | 32.3 |
| Macaca arctoides | 44.5 | 55.5 | 231 | 72 | 161 | 217 | 29.2 |
| Macaca assamensis | 44.3 | 55.7 | 230 | 72 | 166 | 213 | 31.4 |
| Macaca fascicularis | 44.3 | 55.7 | 234 | 68 | 159 | 220 | 39.0 |
| Macaca fuscata | 43.2 | 56.8 | 224 | 70 | 169 | 218 | 38.5 |
| Macaca mulatta | 43.0 | 57.0 | 222 | 71 | 170 | 218 | 40.0 |
| Macaca nemestrina | 42.9 | 57.1 | 230 | 62 | 163 | 226 | 37.6 |
| Macaca nigra | 43.0 | 57.0 | 229 | 64 | 165 | 223 | 34.0 |
| Macaca silenus | 41.9 | 58.1 | 224 | 61 | 170 | 226 | 40.0 |
| Macaca sylvanus | 41.7 | 58.3 | 224 | 60 | 171 | 226 | 29.1 |
| Macaca thibetana | 44.6 | 55.4 | 233 | 71 | 161 | 216 | 27.0 |
| Macaca tonkeana | 43.5 | 56.5 | 224 | 72 | 169 | 216 | 28.4 |
| Macropus giganteus | 40.2 | 59.8 | 205 | 69 | 198 | 209 | 25.0 |
| Macropus robustus | 39.6 | 60.4 | 203 | 67 | 200 | 211 | 22.0 |
| Macroscelides proboscideus | 35.7 | 64.3 | 175 | 68 | 205 | 233 | 8.7 |
| Madoqua kirkii | 40.5 | 59.5 | 192 | 84 | 202 | 203 | 17.3 |
| Mandrillus sphinx | 43.0 | 57.0 | 226 | 67 | 167 | 221 | 40.0 |
| Martes americana | 43.5 | 56.5 | 213 | 83 | 183 | 202 | 17.8 |
| Martes flavigula | 40.4 | 59.6 | 195 | 80 | 197 | 209 | 16.0 |