 
			| Species (N=390) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) | 
|---|---|---|---|---|---|---|---|
| Inia geoffrensis | 41.8 | 58.2 | 75 | 9 | 45 | 72 | 31.3 | 
| Isoodon macrourus | 28.6 | 71.4 | 45 | 15 | 63 | 87 | 6.8 | 
| Jaculus jaculus | 36.2 | 63.8 | 60 | 15 | 71 | 61 | 7.3 | 
| Kobus ellipsiprymnus | 27.9 | 72.1 | 43 | 13 | 65 | 80 | 30.0 | 
| Kobus leche | 29.9 | 70.1 | 48 | 12 | 60 | 81 | 25.4 | 
| Kogia breviceps | 40.8 | 59.2 | 67 | 15 | 48 | 71 | 17.0 | 
| Lagorchestes hirsutus | 35.7 | 64.3 | 62 | 13 | 52 | 83 | 13.2 | 
| Lagothrix lagotricha | 33.3 | 66.7 | 50 | 17 | 55 | 79 | 32.0 | 
| Lama glama | 34.8 | 65.2 | 55 | 16 | 54 | 79 | 28.9 | 
| Lama guanicoe | 34.3 | 65.7 | 55 | 15 | 55 | 79 | 33.7 | 
| Lama pacos | 34.3 | 65.7 | 54 | 16 | 54 | 80 | 25.8 | 
| Lemur catta | 30.0 | 70.0 | 48 | 14 | 64 | 81 | 37.3 | 
| Leontopithecus rosalia | 26.1 | 73.9 | 40 | 14 | 66 | 87 | 31.6 | 
| Lepus europaeus | 33.3 | 66.7 | 55 | 13 | 63 | 73 | 10.7 | 
| Lepus timidus | 35.8 | 64.2 | 60 | 13 | 57 | 74 | 18.0 | 
| Lipotes vexillifer | 32.8 | 67.2 | 55 | 8 | 52 | 77 | 24.0 | 
| Litocranius walleri | 30.3 | 69.7 | 48 | 13 | 59 | 81 | 17.3 | 
| Loris tardigradus | 34.3 | 65.7 | 60 | 10 | 52 | 82 | 19.3 | 
| Loxodonta africana | 34.8 | 65.2 | 42 | 28 | 67 | 64 | 65.0 | 
| Lutra lutra | 35.8 | 64.2 | 55 | 17 | 55 | 74 | 18.2 | 
| Lynx lynx | 34.8 | 65.2 | 54 | 17 | 52 | 81 | 23.7 | 
| Lynx rufus | 33.8 | 66.2 | 54 | 15 | 53 | 82 | 32.3 | 
| Macaca arctoides | 39.1 | 60.9 | 66 | 13 | 46 | 77 | 29.2 | 
| Macaca assamensis | 38.6 | 61.4 | 64 | 16 | 50 | 77 | 31.4 | 
| Macaca fascicularis | 40.1 | 59.9 | 69 | 14 | 46 | 78 | 39.0 | 
| Macaca fuscata | 41.1 | 58.9 | 69 | 16 | 48 | 74 | 38.5 | 
| Macaca mulatta | 42.5 | 57.5 | 70 | 18 | 48 | 71 | 40.0 | 
| Macaca nemestrina | 42.0 | 58.0 | 70 | 17 | 47 | 73 | 37.6 | 
| Macaca nigra | 42.5 | 57.5 | 71 | 17 | 46 | 73 | 34.0 | 
| Macaca silenus | 36.7 | 63.3 | 62 | 14 | 52 | 79 | 40.0 | 
| Macaca sylvanus | 38.3 | 61.7 | 66 | 11 | 43 | 81 | 29.1 | 
| Macaca thibetana | 40.1 | 59.9 | 67 | 16 | 47 | 77 | 27.0 | 
| Macaca tonkeana | 39.1 | 60.9 | 62 | 19 | 49 | 77 | 28.4 | 
| Macropus giganteus | 35.7 | 64.3 | 62 | 13 | 51 | 84 | 25.0 | 
| Macropus robustus | 33.3 | 66.7 | 56 | 14 | 57 | 83 | 22.0 | 
| Macroscelides proboscideus | 30.4 | 69.6 | 51 | 11 | 58 | 84 | 8.7 | 
| Madoqua kirkii | 30.8 | 69.2 | 47 | 15 | 60 | 79 | 17.3 | 
| Mandrillus sphinx | 37.7 | 62.3 | 65 | 13 | 48 | 81 | 40.0 | 
| Martes americana | 33.3 | 66.7 | 52 | 16 | 56 | 80 | 17.8 | 
| Martes flavigula | 35.8 | 64.2 | 56 | 17 | 55 | 76 | 16.0 | 
