| Species (N=390) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) |
|---|---|---|---|---|---|---|---|
| Inia geoffrensis | 40.8 | 59.2 | 101 | 40 | 98 | 107 | 31.3 |
| Isoodon macrourus | 33.6 | 66.4 | 80 | 37 | 118 | 113 | 6.8 |
| Jaculus jaculus | 39.4 | 60.6 | 92 | 45 | 113 | 98 | 7.3 |
| Kobus ellipsiprymnus | 39.0 | 61.0 | 96 | 39 | 103 | 108 | 30.0 |
| Kobus leche | 41.0 | 59.0 | 95 | 47 | 103 | 101 | 25.4 |
| Kogia breviceps | 47.4 | 52.6 | 116 | 48 | 86 | 96 | 17.0 |
| Lagorchestes hirsutus | 38.4 | 61.6 | 98 | 36 | 112 | 103 | 13.2 |
| Lagothrix lagotricha | 37.3 | 62.7 | 91 | 38 | 102 | 115 | 32.0 |
| Lama glama | 39.1 | 60.9 | 96 | 41 | 109 | 104 | 28.9 |
| Lama guanicoe | 40.3 | 59.7 | 99 | 41 | 106 | 101 | 33.7 |
| Lama pacos | 39.0 | 61.0 | 96 | 40 | 110 | 103 | 25.8 |
| Lemur catta | 39.7 | 60.3 | 97 | 41 | 101 | 109 | 37.3 |
| Leontopithecus rosalia | 35.5 | 64.5 | 85 | 38 | 114 | 109 | 31.6 |
| Lepus europaeus | 38.2 | 61.8 | 87 | 45 | 110 | 104 | 10.7 |
| Lepus timidus | 37.2 | 62.8 | 83 | 46 | 115 | 103 | 18.0 |
| Lipotes vexillifer | 39.5 | 60.5 | 103 | 34 | 93 | 117 | 24.0 |
| Litocranius walleri | 39.6 | 60.4 | 97 | 40 | 99 | 110 | 17.3 |
| Loris tardigradus | 39.3 | 60.7 | 94 | 42 | 97 | 113 | 19.3 |
| Loxodonta africana | 35.5 | 64.5 | 86 | 39 | 112 | 115 | 65.0 |
| Lutra lutra | 41.1 | 58.9 | 99 | 44 | 93 | 112 | 18.2 |
| Lynx lynx | 41.8 | 58.2 | 102 | 43 | 95 | 107 | 23.7 |
| Lynx rufus | 40.6 | 59.4 | 97 | 44 | 99 | 107 | 32.3 |
| Macaca arctoides | 40.2 | 59.8 | 105 | 34 | 94 | 113 | 29.2 |
| Macaca assamensis | 42.5 | 57.5 | 105 | 42 | 94 | 105 | 31.4 |
| Macaca fascicularis | 40.8 | 59.2 | 102 | 39 | 97 | 108 | 39.0 |
| Macaca fuscata | 41.9 | 58.1 | 107 | 38 | 92 | 109 | 38.5 |
| Macaca mulatta | 41.0 | 59.0 | 103 | 39 | 96 | 108 | 40.0 |
| Macaca nemestrina | 40.5 | 59.5 | 103 | 37 | 96 | 110 | 37.6 |
| Macaca nigra | 40.2 | 59.8 | 102 | 37 | 97 | 110 | 34.0 |
| Macaca silenus | 37.9 | 62.1 | 99 | 32 | 99 | 116 | 40.0 |
| Macaca sylvanus | 41.6 | 58.4 | 107 | 37 | 91 | 111 | 29.1 |
| Macaca thibetana | 42.2 | 57.8 | 107 | 39 | 92 | 108 | 27.0 |
| Macaca tonkeana | 39.6 | 60.4 | 102 | 35 | 96 | 113 | 28.4 |
| Macropus giganteus | 41.6 | 58.4 | 107 | 37 | 104 | 98 | 25.0 |
| Macropus robustus | 39.3 | 60.7 | 98 | 39 | 111 | 101 | 22.0 |
| Macroscelides proboscideus | 37.3 | 62.7 | 88 | 41 | 108 | 109 | 8.7 |
| Madoqua kirkii | 42.8 | 57.2 | 103 | 45 | 91 | 107 | 17.3 |
| Mandrillus sphinx | 39.0 | 61.0 | 103 | 32 | 97 | 114 | 40.0 |
| Martes americana | 44.0 | 56.0 | 102 | 51 | 91 | 104 | 17.8 |
| Martes flavigula | 40.9 | 59.1 | 96 | 46 | 95 | 110 | 16.0 |