| Species (N=919) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) | 
|---|---|---|---|---|---|---|---|
| Capra sibirica | 44.3 | 55.7 | 232 | 115 | 226 | 211 | 22.3 | 
| Capreolus capreolus | 42.3 | 57.3 | 221 | 111 | 238 | 211 | 17.5 | 
| Capricornis crispus | 46.6 | 53.4 | 249 | 116 | 211 | 208 | 24.0 | 
| Capricornis sumatraensis | 46.7 | 53.3 | 249 | 117 | 214 | 204 | 18.5 | 
| Carassius auratus | 44.5 | 55.5 | 226 | 124 | 211 | 225 | 41.0 | 
| Carcharhinus acronotus | 41.2 | 58.8 | 202 | 122 | 242 | 220 | 19.0 | 
| Carcharhinus brevipinna | 41.5 | 58.5 | 204 | 122 | 240 | 220 | 19.0 | 
| Carcharhinus leucas | 41.0 | 59.0 | 198 | 124 | 245 | 219 | 32.0 | 
| Carcharhinus obscurus | 41.0 | 59.0 | 202 | 120 | 241 | 223 | 35.0 | 
| Carcharhinus plumbeus | 41.1 | 58.9 | 203 | 120 | 241 | 222 | 32.0 | 
| Carcharhinus sorrah | 41.5 | 58.5 | 203 | 123 | 239 | 221 | 8.0 | 
| Carcharias taurus | 40.8 | 59.2 | 203 | 118 | 238 | 227 | 12.0 | 
| Carcharodon carcharias | 43.1 | 56.9 | 214 | 125 | 227 | 220 | 50.0 | 
| Cardinalis cardinalis | 47.8 | 51.9 | 252 | 123 | 202 | 205 | 28.5 | 
| Carduelis pinus | 48.2 | 51.8 | 261 | 117 | 182 | 224 | 11.0 | 
| Carduelis psaltria | 47.3 | 52.7 | 252 | 119 | 194 | 219 | 5.7 | 
| Carduelis spinus | 48.1 | 51.9 | 258 | 119 | 184 | 223 | 13.5 | 
| Caretta caretta | 41.8 | 58.2 | 215 | 113 | 208 | 248 | 37.0 | 
| Carollia perspicillata | 44.5 | 55.5 | 229 | 120 | 220 | 216 | 17.0 | 
| Carpiodes carpio | 47.6 | 52.4 | 231 | 143 | 210 | 202 | 10.0 | 
| Carpodacus erythrinus | 49.9 | 50.1 | 268 | 123 | 183 | 210 | 9.0 | 
| Castor canadensis | 45.7 | 54.3 | 241 | 117 | 203 | 223 | 23.4 | 
| Casuarius casuarius | 45.3 | 54.7 | 224 | 131 | 219 | 210 | 30.0 | 
| Cathartes aura | 50.0 | 50.0 | 263 | 129 | 187 | 205 | 20.8 | 
| Catopuma temminckii | 42.7 | 57.3 | 218 | 117 | 225 | 224 | 23.0 | 
| Catostomus commersonii | 43.6 | 56.4 | 208 | 134 | 232 | 211 | 12.0 | 
| Cavia porcellus | 40.2 | 59.8 | 189 | 126 | 246 | 223 | 12.0 | 
| Cebus albifrons | 43.0 | 57.0 | 221 | 116 | 222 | 225 | 40.4 | 
| Cebus apella | 43.9 | 56.1 | 222 | 122 | 222 | 218 | 46.0 | 
| Cecropis daurica | 47.8 | 52.2 | 251 | 124 | 201 | 208 | 9.0 | 
| Cephalophus dorsalis | 42.9 | 57.1 | 224 | 112 | 232 | 216 | 17.5 | 
| Cephalophus jentinki | 43.5 | 56.4 | 229 | 112 | 227 | 215 | 21.0 | 
| Cephalophus natalensis | 44.5 | 55.5 | 233 | 116 | 226 | 209 | 15.2 | 
| Cephalophus nigrifrons | 44.6 | 54.5 | 235 | 115 | 221 | 206 | 17.9 | 
| Cephalophus rufilatus | 45.4 | 54.6 | 238 | 118 | 221 | 207 | 15.2 | 
| Cephalophus silvicultor | 43.1 | 56.9 | 229 | 109 | 226 | 220 | 22.5 | 
| Ceratotherium simum | 44.4 | 55.6 | 229 | 119 | 220 | 216 | 45.0 | 
| Cercocebus torquatus | 44.3 | 55.7 | 239 | 108 | 221 | 216 | 46.0 | 
| Cercopithecus diana | 45.0 | 55.0 | 242 | 111 | 220 | 211 | 35.1 | 
| Cercopithecus lhoesti | 44.5 | 55.5 | 243 | 106 | 219 | 216 | 24.1 |